FirebaseUI-iOS 🚀 - Multitude of warnings after updating to XCode 8.3

This is a known issue that's from upstream Firebase; I'll let you know when they make any progress.

morganchen12 on 29 Mar 2017

I'm hitting 32 of these warnings, it's kinda annoying. The issue came up during Xcode 8.3 Beta. You guys need quite a while for this to fix. 🤔

DevAndArtist on 2 Apr 2017

👍10

This has been fixed internally and should go out in the next release, around 4/6. You can all relax now. :)

morganchen12 on 3 Apr 2017

🎉18

any idea when this fix will be released today?

Tr736 on 6 Apr 2017

👍1

The launch has been moved back a few days; expect it at the start of next week. (oops)

morganchen12 on 6 Apr 2017

😕1

Thank god this is being fixed... I thought something just started blowing up for no reason. Thanks for the thread

llcoole93 on 7 Apr 2017

I'm still seeing same 32 build time warnings with Xcode 8.3.

umeshchand1507 on 11 Apr 2017

👍4

Is it safe to ignore the warnings for an App Store release, or should I wait until an update is available?

oliverdowling on 11 Apr 2017

Oh, boy. I have 39 warning with xCode 8.3.

enzosterro on 11 Apr 2017

@enzosterro I have 64 of them, because of multiple targets 😜 Btw. it's Xcode.

DevAndArtist on 11 Apr 2017

👍2

Any progress?
I met this issue with firebase CocoaPods Today on Xcode 8.3.1 official release, I believe I am using the latest firebase.

googoodalls on 12 Apr 2017

👍14

When is "start of next week" again? I literally can't wait.

matmartinez on 12 Apr 2017

👍3

Hm, I don't have any new information for you folks other than to say the release is coming soon. Will post more stuff if anything comes up, but it looks like we've just been a little slow on some ship blockers.

morganchen12 on 12 Apr 2017

Besides the fact that Firebase JS, NodeJS, Java and Python gets updated frequently, but Swift/ObjC takes ages. 🤔

DevAndArtist on 12 Apr 2017

Have version numbers regressed or is the current pod update incorrect? The Firebase pod seems to have changed today. I'm seeing the main Firebase pod reverting to 3.6.0 from 3.15.0, FirebaseRemoteConfig reverting to 1.3.0 from 1.3.4, and FirebaseAnalytics reverting to 3.4.2 from 3.7.0. Some of the old removed pods are now back as well (GoogleIphoneUtilities, etc.). I've cleaned my pod cache, etc. and have been checking for updates for this issue.

This is all with the recommended settings below for Analytics and RemoteConfig.

pod 'Google/Analytics'
pod 'Firebase/RemoteConfig'

mthormann-dhi on 13 Apr 2017

Beware updating Firebase to v3.16.0. It is crashing my app unit tests. I had to revert to v3.15.0

@mthormann-dhi according to the firebase documentation you should use:

pod 'Firebase/Core'
pod 'Firebase/RemoteConfig'

It looks like they released a new update to Firebase v3.16.0 https://github.com/CocoaPods/Specs/commit/dddbd3e6897df269b4e97b2e6d8c1aae145fbed4

esetnik on 13 Apr 2017

Not seeing the issue from yesterday with bad pod update specs out there but seeing the same crash with 3.16.0 as @esetnik trying to run unit tests with Firebase 3.16.0. More specifics on the error.

Error 2017-04-13 09:19:13.418 EFCSeeker[55062:5088991] *** Terminating app due to uncaught exception 'com.firebase.instanceid', reason: 'Could not configure Firebase InstanceID. Google Sender ID must not be nil or empty.'

*** First throw call stack:
(
    0   CoreFoundation                      0x0000000110aadb0b __exceptionPreprocess + 171
    1   libobjc.A.dylib                     0x00000001153c1141 objc_exception_throw + 48
    2   CoreFoundation                      0x0000000110b16625 +[NSException raise:format:] + 197
    3   EFCSeekerTests                      0x000000012aaff1be +[FIRInstanceID(FIRApp) exitApp:withReason:] + 188
    4   EFCSeekerTests                      0x000000012aafef90 -[FIRInstanceID(FIRApp) configureInstanceIDWithApp:] + 451
    5   EFCSeekerTests                      0x000000012aafed9e +[FIRInstanceID(FIRApp) didReceiveConfigureSDKNotification:] + 151
    6   CoreFoundation                      0x0000000110a4cc2c __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 12
    7   CoreFoundation                      0x0000000110a4cb29 _CFXRegistrationPost + 425
    8   CoreFoundation                      0x0000000110a4c892 ___CFXNotificationPost_block_invoke + 50
    9   CoreFoundation                      0x0000000110a10162 -[_CFXNotificationRegistrar find:object:observer:enumerator:] + 1826
    10  CoreFoundation                      0x0000000110a0f2c1 _CFXNotificationPost + 673
    11  Foundation                          0x0000000114e8fb24 -[NSNotificationCenter postNotificationName:object:userInfo:] + 66
    12  EFCSeeker                           0x000000010f71133a +[FIRApp sendNotificationsToSDKs:] + 381
    13  EFCSeeker                           0x000000010f7100bc +[FIRApp configureDefaultAppWithOptions:sendingNotifications:] + 341
    14  EFCSeeker                           0x000000010f70fdb4 +[FIRApp configure] + 306

mthormann-dhi on 13 Apr 2017

FIRInstanceID expects a valid GCM Sender ID in the options of the FIRApp instance your app is using, which is normally grabbed from your GoogleService-Info.plist file. How are you setting up your unit tests?

If you don't want to mess with configuring your tests until later, you can just pin your FirebaseMessaging dependency at 1.2.2 and upgrade later.

Going to close this issue now as the discussion has derailed a bit and the ld warnings from Analytics are now gone.

morganchen12 on 13 Apr 2017

🎉2

ld warnings from Analytics are now gone.

Fresh project, fresh pod install and I get the 39 warning in Xcode 8.3.
Should I be pointing to something specifically not yet released?

nickvelloff on 13 Apr 2017

👍1

Have you run pod repo update lately?

If so, what version of Firebase does CocoaPods say you're using? What CocoaPods version are you using?

Have you tried cleaning in Xcode or deleting DerivedData?

morganchen12 on 13 Apr 2017

@morganchen12 apologies... just realized my local pod repo was out of date. No more warnings. Thanks!

nickvelloff on 13 Apr 2017

Same here, latest version is crashing the unit tests.

import UIKit
import Firebase

@UIApplicationMain
final class ApplicationDelegate : UIResponder, UIApplicationDelegate {

    // From `UIApplicationDelegate`
    var window: UIWindow?

    override init() {

        // Configure Firebase
        FIRApp.configure()  // <===== Will crash here

        super.init()
    }
}

In a unit test file

import XCTest
@testable import ModuleName

Pressing cmd + u will result into a crash like already described by @esetnik and @mthormann-dhi.

🤦🏻‍♂️

DevAndArtist on 13 Apr 2017

👍1

@DevAndArtist In my case, it's probably what @morganchen12 hinted at. We swap out different GoogleService-info.plist files (per configuration) with a build script in Build Phases for our app targets. That build script phase doesn't exist on my test targets but previously never threw an error. Going to copy to my test targets when I get a chance to see if that does the trick. It should I think.

mthormann-dhi on 14 Apr 2017

@DevAndArtist @morganchen12 Something has definitely changed with 3.16.0 with where Firebase is looking for the GoogleService-info.plist file for test targets (or maybe it just wasn't before for test targets). I see the GoogleService-info.plist file being put as normal into the .app that the test target is running against. Anyways I've hacked around it until I have more time to research by bypassing the FIRApp.configure() call while running unit tests (with a simple scheme argument). I do have the Firebase pods installed for my test targets as well so maybe I can remove those at some point (just install Firebase pod for the main app) to fix this issue as well.

mthormann-dhi on 14 Apr 2017

with where Firebase is looking for the GoogleService-info.plist file for test targets

I do believe the docs state that the GoogleService-info.plist should be added to all targets.

nickvelloff on 14 Apr 2017

If you're running into the tests issue with updated Firebase I'd encourage you make sure the GoogleService-Info.plist file is in your test bundle and not just your main app bundle. If for whatever reason you don't want to duplicate the plist file in your test bundle, take a look at FIROptions.init(contentsOfFile:) and FIRApp.configure(with:).

This is no longer a FirebaseUI issue and so this isn't _really_ the right place to discuss this--please at the very least read all the comments and do some digging before posting something.

morganchen12 on 14 Apr 2017

@morganchen12 I'm aware that this isn't the place for filing these issues. However there isn't a better place on https://github.com/firebase/ for these type of issues, because there is no repository for the iOS projects. The Slack channel isn't a better alternative, because everything is unstructured and no one would ever search through a humongous messaging stream.

You guys should consider open a repo exactly for that matter. Similar to what Realm does for it's Mobile Platform, even if it's closed source project.

https://github.com/realm/realm-mobile-platform

Thanks. ;)

DevAndArtist on 14 Apr 2017

👍4

FWIW: I did a pod update and all warnings have happily vanished.
Installing Firebase 3.16.0 (was 3.15.0)
Installing FirebaseAnalytics 3.8.0 (was 3.7.0)
Installing FirebaseCore 3.6.0 (was 3.5.2)
Installing FirebaseInstanceID 1.0.10 (was 1.0.9)
Installing FirebaseMessaging 1.2.3 (was 1.2.2)

LordAndrei on 14 Apr 2017

👍4

@morganchen12 I concur with @DevAndArtist. Please tell us where to discuss this if this isn't the place. I'm still running into the exact same issue loading a valid FIROptions file or even the individual options (which should make all the test bundle stuff moot, right?) overload on init. I verified the GCM Sender ID exists in the FIROptions as well before the FIRApp.configure(with:) call. I'd be happy to take this conversation elsewhere. Just need to know where please.

Thanks a ton!

mthormann-dhi on 14 Apr 2017

Yeah, that's why I'm answering the questions here :)

In the future there will be a better place for this sort of discussion, but this is deliberately vague because I can't talk about it until it happens. Stay tuned!

@mthormann-dhi InstanceID will look for a valid GCM sender ID in _every_ FIRApp that's configured. Are you configuring more than one FIRApp?

morganchen12 on 14 Apr 2017

@morganchen12 Thanks for sticking with this :)

No, just one time per app launch. Our app is multi-tenant (supporting different app targets) with multiple configurations but we only call FIRApp.configure once per app launch (with one .plist) in appDidFinishLaunching. The error is happening even with the explicit FIRApp.configure call (with sender ID and every parameter correctly filled in except for our unused androidClientID and deepLinkURLScheme).

mthormann-dhi on 14 Apr 2017

If you set an exception breakpoint and print out [FIROptions defaultOptions].GCMSenderID, what does it say?

morganchen12 on 14 Apr 2017

▿ Optional

some : "123456789012" (String changed from our live GCM Sender ID)

mthormann-dhi on 15 Apr 2017

This is most likely a bug on our end, I've let the Instance ID team know and will keep this updated.

morganchen12 on 15 Apr 2017

👍3

Thanks!

mthormann-dhi on 15 Apr 2017

3.16 Fixed all the warnings on the simulator, however when archiving I'm getting similar errors.

Apple Mach-O Linker (id) Warning
-Linker asked to preserve internal global: 'sharedInstance.shared.Instance'
-Linker asked to preserve internal global: '__block_descriptor_tmp'
-Linker asked to preserve internal global '__block_literal_global'
along with 200+ more

I built a fresh Xcode project only configuring Firebase and the warnings only occur after installing 'Firebase/AdMob'. I tried some things with linking binaries with libraries with no luck. Also in a timely fashion this popped up on the Apple forums a few days ago https://forums.developer.apple.com/thread/75793 . Same warnings, makes me think this whole thing might be related and if it's not I'm sorry, i'm new to this.

ghost on 15 Apr 2017

👍3

Had 39 Warnings. Pod Update cleared them all.

Analyzing dependencies
Downloading dependencies
Installing Firebase 3.16.0 (was 3.14.0)
Installing FirebaseAnalytics 3.8.0 (was 3.7.0)
Using FirebaseAuth (3.1.1)
Installing FirebaseCore 3.6.0 (was 3.5.1)
Using FirebaseDatabase (3.1.2)
Installing FirebaseInstanceID 1.0.10 (was 1.0.9)
Using FirebaseStorage (1.1.0)
Installing GTMSessionFetcher 1.1.9 (was 1.1.8)
Using GoogleToolboxForMac (2.1.1)

richardbradshaw1 on 18 Apr 2017

@morganchen12 Did you guys solved the issue? Either you did or deleting the .xcworkspace file and de-integrating all pods and re-integrating them solved the issue for me. My GoogleService-Info.plist is not linked to my unit test target at all.

DevAndArtist on 18 Apr 2017

@DevAndArtist no I had to revert to 3.15.0. I have GoogleService-Info.plist in my test target and it still crashes. Something definitely changed.

esetnik on 18 Apr 2017

No progress yet.

morganchen12 on 18 Apr 2017

@esetnik I had a few issues to fix:

https://github.com/firebase/quickstart-ios/issues/220
The issues from above.
I also had an issue caused by RxCocoa (I don't know the exact reason).
Wrong unit test template (caused by some copy pasting) was a ui test template.

How I solved the issue.

Cocoapod 1.2.1
http://stackoverflow.com/a/37725556/4572536 (solved wrong template)
pod deintegrate (starting cleaning up)
Delete .xcworkspace (just in cast)
pod install -> pod update
Added the following lines to Pods-unitTests.debug.xcconfig:

FRAMEWORK_SEARCH_PATHS = "$PODS_CONFIGURATION_BUILD_DIR/RxCocoa"
HEADER_SEARCH_PATHS = ${PODS_ROOT}/Firebase/Core/Sources

First line fixed the issue with RxCocoa. Second line the issue with Firebase.

My pod file:

# Uncomment the next line to define a global platform 
# for your project
platform :ios, '10.0'

abstract_target 'project' do

  # Comment the next line if you're not using Swift and 
  # don't want to use dynamic frameworks
  use_frameworks!

  pod 'Firebase/Core'
  pod 'Firebase/Auth'
  pod 'Firebase/Analytics'
  pod 'Firebase/Database'

  # pod 'Firebase/AdMob'
  # pod 'Firebase/AppIndexing'
  # pod 'Firebase/Crash'
  # pod 'Firebase/DynamicLinks'
  # pod 'Firebase/Invites'
  # pod 'Firebase/Messaging'
  # pod 'Firebase/RemoteConfig'
  # pod 'Firebase/Storage'

  pod 'RxSwift', '~> 3.0'
  pod 'RxCocoa', '~> 3.0'
  pod 'RxSwiftExt', '~> 2.0'
  pod 'FunctionalLayout', '~> 1.0'
  pod 'Reveal-SDK', :configurations => ['Debug']

  target 'production' do
    # The target 'production' has its own copies of all 
    # pods from abstract target 'project' (inherited)
  end

  target 'development' do
    # The target 'development' has its own copies of all 
    # pods from abstract target 'project' (inherited)
  end

  target 'unitTests' do
    inherit! :search_paths
    # Pods for testing
  end

  target 'uiTests' do
    inherit! :search_paths
    # Pods for testing
  end
end

Result:

No warnings at all.
I have two GoogleService-Info.plist, each one has a different firebase project assigned to it, one for the development target and the other for the production target. None of them is linked to my unit or ui tests.
No duplicate classes warning while testing.

Profit :)

DevAndArtist on 18 Apr 2017

I still have 3 issues when archiving:
Linker asked to preserve internal global: 'sharedInstance.sharedInstance'
Linker asked to preserve internal global: '__block_descriptor_tmp'
Linker asked to preserve internal global: '__block_literal_global'

francoisduchemin on 19 Apr 2017

👍4

With the latest 3.16 upgrade on Xcode 8.3.1, all warnings are gone, but unit test always crash.

2017-04-14 14:53:22.351 MyProject[28753] <Error> [Firebase/Core][I-COR000004] App with name __FIRAPP_DEFAULT does not exist. 2017-04-14 14:53:22.354 MyProject[28753] <Error> [Firebase/Messaging][I-IID001000] Firebase is not set up correctly. Sender ID is nil or empty. 2017-04-14 14:53:22.356 MyProject[28753] <Notice> [Firebase/Analytics][I-ACS023007] Firebase Analytics v.3800000 started 2017-04-14 14:53:22.356 MyProject[28753] <Notice> [Firebase/Analytics][I-ACS023008] To enable debug logging set the following application argument: -FIRAnalyticsDebugEnabled 2017-04-14 14:53:22.381 MyProject[28753:712475] *** Terminating app due to uncaught exception 'com.firebase.instanceid', reason: 'Could not configure Firebase InstanceID. Google Sender ID must not be nil or empty.'

See StackOverflow here: http://stackoverflow.com/questions/43412066/firebase-configuration-fails-swift/43415184#

54lihaoxin on 19 Apr 2017

😕1

Everything works in debug mode. When I archive I get the same warnings as @54lihaoxin

Boggartfly on 21 Apr 2017

I am running into the same issue as @DevAndArtist mentioned. Unit tests target stops at FIRApp.configure(). I tried all options mentioned above to resolve my issue, none of them worked.

alexandrahably on 28 Apr 2017

For those of you running into crashes, do you also have the

[Firebase/Core][I-COR000004] App with name __FIRAPP_DEFAULT does not exist.

line in your error logs?

morganchen12 on 28 Apr 2017

@morganchen12 Exactly, I do have it.

alexandrahably on 29 Apr 2017

I downgraded my project to '3.15.0', everything works fine.
With '3.16.0' I had problems with the unit tests target and even in the main app target during runtime.

alexandrahably on 30 Apr 2017

Can you upload a sample project that has this issue? Also, when you run your app, are there warnings in console of duplicate class implementations?

morganchen12 on 1 May 2017

Let me ask one thing for those who have unit test crashes with 3.16/3.17:

Did you rename GoogleService-Info.plist to something else and configure Firebase with FIRApp.configure(with: FIROptions(contentsOfFile: configFilePath))

I did this because I have multiple build targets so I suffix the filenames with corresponding bundle ID. It actually works (for analytics and remote config stuff), but I am seeing the following console log with -FIRDebugEnabled in argument (https://firebase.google.com/docs/analytics/debugview)

2017-05-09 10:32:51.543 FirebaseDemo[43232] <Debug> [Firebase/Core][I-COR000001] Configuring the default app. 2017-05-09 10:32:51.554 FirebaseDemo[43232] <Error> [Firebase/Core][I-COR000012] Could not locate configuration file: 'GoogleService-Info.plist'. 2017-05-09 10:32:51.556 FirebaseDemo[43232] <Debug> [Firebase/Analytics][I-ACS024000] Debug mode is on 2017-05-09 10:32:51.556 FirebaseDemo[43232] <Error> [Firebase/Analytics][I-ACS020006] Google App ID from GoogleService-Info.plist is empty. Please, define GOOGLE_APP_ID in GoogleService-Info.plist for Analytics to work reliably. 2017-05-09 10:32:51.560 FirebaseDemo[43232] <Warning> [Firebase/Analytics][I-ACS005000] The AdSupport Framework is not currently linked. Some features will not function properly. Learn more at http://goo.gl/9vSsPb 2017-05-09 10:32:51.561 FirebaseDemo[43232] <Info> [Firebase/Messaging][I-IID013010] InstanceID library version 1.0.10 2017-05-09 10:32:51.562 FirebaseDemo[43232] <Error> [Firebase/Analytics][I-ACS025020] Analytics requires Google App ID from GoogleService-Info.plist. Your data may be lost. Google App ID has been changed. Original, new ID: (nil), 1:892880578787:ios:804d980568a1434e 2017-05-09 10:32:51.630 FirebaseDemo[43232] <Notice> [Firebase/Analytics][I-ACS023007] Firebase Analytics v.3900000 started

This inspired me to keep one config file with the original name GoogleService-Info.plist, and then unit test is not crashing again.

It seems to me Firebase fails to create a default instance with the config file in the default name GoogleService-Info.plist.

54lihaoxin on 9 May 2017

@morganchen12 Please see this for a sample crashing project:
https://drive.google.com/file/d/0B60-3vq0TMUpQWc1anBhS0RpM0E/view?usp=sharing

This is a brand new, bare bone project that does nothing but has Firebase and unit test in it. Unit test stops crashing after renaming GoogleService-Info-com.tabsmith.FirebaseDemo.plist to GoogleService-Info.plist.

When this app runs, it has lots of runtime warnings for duplicate implementation. That is a side product of adding Firebase pod to the unit test build target. Without Firebase pod in unit test target, we see "missing required module 'Firebase'" build error when we build the unit test. Please see the related stackoverflow post here:
http://stackoverflow.com/questions/40510022/missing-required-module-firebase-jenkins-build-error

Maybe as you indicated before, something went wrong for the setup. But people (including me) didn't find anything helpful from the setup doc and Google search bring them here... It would be great if Firebase has any tutorial to tell people what is the right way of setting Firebase pod with unit test.

54lihaoxin on 9 May 2017

In case of any one way to see it, this is the console output when my demo app crash, and this crash happens before the first XCTestCase.setUp() call.

objc[54869]: Class FIRAIdentifiers is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305a70) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8b8f0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRASearchAdReporter is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305ac0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8b940). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAZeroingWeakContainer is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305b38) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8b9b8). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAAppDelegateProxy is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305b60) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8b9e0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAAudienceComparisonValues is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305bd8) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8ba58). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAConditionalUserProperty is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305c00) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8ba80). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAConditionalUserPropertyController is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305c50) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8bad0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAAppMetadata is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305ca0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8bb20). One of the two will be used. Which one is undefined. objc[54869]: Class FIRADailyCounts is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305cf0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8bb70). One of the two will be used. Which one is undefined. objc[54869]: Class FIRADataTypeValidator is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305d40) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8bbc0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAEvent is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305d90) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8bc10). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAEventAggregates is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305de0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8bc60). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAEventFilter is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305e30) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8bcb0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAFilterResult is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305e80) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8bd00). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPropertyFilter is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305ed0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8bd50). One of the two will be used. Which one is undefined. objc[54869]: Class FIRARawEventData is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305f20) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8bda0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAUserAttribute is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305f70) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8bdf0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAValue is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d305fc0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8be40). One of the two will be used. Which one is undefined. objc[54869]: Class FIRASqliteStore is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306010) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8be90). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAAdExposureReporter is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306060) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8bee0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAAlarm is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3060b0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8bf30). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAAudience is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306100) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8bf80). One of the two will be used. Which one is undefined. objc[54869]: Class FIRADatabase is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306150) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8bfd0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAEnvironmentInfo is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3061a0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c020). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAIdentity is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3061f0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c070). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAMeasurement is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306240) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c0c0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAMonitor is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306290) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c110). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPersistedConfig is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3062e0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c160). One of the two will be used. Which one is undefined. objc[54869]: Class FIRARemoteConfig is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306330) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c1b0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAScheduler is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306380) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c200). One of the two will be used. Which one is undefined. objc[54869]: Class FIRASessionReporter is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3063d0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c250). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAnalytics is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306420) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c2a0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAASIdentifierManager is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306470) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c2f0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAInAppPurchaseProductCache is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3064c0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c340). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAInAppPurchaseTransactionReporter is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306510) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c390). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAProductsRequest is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306560) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c3e0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRALifetimeValueRecorder is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3065b0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c430). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAASLLogger is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306600) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c480). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAMonitoringSampledData is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306650) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c4d0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAScreen is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3066a0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c520). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAScreenViewReporter is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3066f0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c570). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAAEU is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306740) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c5c0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAKeychainWrapper is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306790) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c610). One of the two will be used. Which one is undefined. objc[54869]: Class FIRANumericUtil is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306808) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c688). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBAudience is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306830) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c6b0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBAudienceLeafFilterResult is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306880) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c700). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBEvent is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3068d0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c750). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBEventConfig is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306920) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c7a0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBEventFilter is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306970) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c7f0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBEventParam is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3069c0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c840). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBFilter is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306a10) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c890). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBMeasurementBatch is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306a60) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c8e0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBMeasurementBundle is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306ab0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c930). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBMeasurementConfig is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306b00) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c980). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBNumberFilter is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306b50) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8c9d0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBPropertyFilter is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306ba0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8ca20). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBResultData is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306bf0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8ca70). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBSetting is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306c40) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8cac0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBStringFilter is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306c90) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8cb10). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAPBUserAttribute is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306ce0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8cb60). One of the two will be used. Which one is undefined. objc[54869]: Class FIRApp is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306d30) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8cbb0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAppAssociationRegistration is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306da8) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8cc28). One of the two will be used. Which one is undefined. objc[54869]: Class FIRClearcutWriter is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306dd0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8cc50). One of the two will be used. Which one is undefined. objc[54869]: Class FIRClearcutAccountData is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306e20) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8cca0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRClearcutRequest is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306e70) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8ccf0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRClearcutLogger is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306ec0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8cd40). One of the two will be used. Which one is undefined. objc[54869]: Class CLRPBClientInfo is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306f10) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8cd90). One of the two will be used. Which one is undefined. objc[54869]: Class CLRPBIosClientInfo is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306f60) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8cde0). One of the two will be used. Which one is undefined. objc[54869]: Class CLRPBLogEvent is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d306fb0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8ce30). One of the two will be used. Which one is undefined. objc[54869]: Class CLRPBLogRequest is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307000) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8ce80). One of the two will be used. Which one is undefined. objc[54869]: Class FIRPBErrorInfo is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307050) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8ced0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRPBICoreConfiguration is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3070a0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8cf20). One of the two will be used. Which one is undefined. objc[54869]: Class FIRMutableDictionary is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3070f0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8cf70). One of the two will be used. Which one is undefined. objc[54869]: Class FIRNetwork is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307140) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8cfc0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRNetworkURLSession is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307190) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d010). One of the two will be used. Which one is undefined. objc[54869]: Class FIRReachabilityChecker is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3071e0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d060). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAnalyticsConfiguration is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307230) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d0b0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRConfiguration is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307280) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d100). One of the two will be used. Which one is undefined. objc[54869]: Class FIROptions is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3072d0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d150). One of the two will be used. Which one is undefined. objc[54869]: Class FIRBundleUtil is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307348) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d1c8). One of the two will be used. Which one is undefined. objc[54869]: Class FIRAppEnvironmentUtil is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307370) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d1f0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceID is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3073c0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d240). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDAppDelegateProxy is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307410) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d290). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDAuthKeychain is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307460) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d2e0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDAuthService is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3074b0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d330). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDBackupExcludedPlist is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307500) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d380). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDCheckinPreferences is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307578) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d3f8). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDCheckinService is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3075a0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d420). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDCheckinStore is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3075f0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d470). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDConfig is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307640) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d4c0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDKeyPair is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307690) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d510). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDKeyPairStore is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3076e0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d560). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDLogStandardFormatter is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307730) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d5b0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDLogLevelFilter is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307780) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d600). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDLogger is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3077d0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d650). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDRegistrar is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307820) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d6a0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDURLQueryItem is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307870) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d6f0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDRegistrationClient is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3078c0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d740). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDStore is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307910) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d790). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDStringEncoding is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307960) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d7e0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDCachedToken is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3079b0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d830). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDTokenManager is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307a00) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d880). One of the two will be used. Which one is undefined. objc[54869]: Class FIRInstanceIDTokenStore is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307a50) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d8d0). One of the two will be used. Which one is undefined. objc[54869]: Class FIRRemoteConfigValue is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307aa0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d920). One of the two will be used. Which one is undefined. objc[54869]: Class FIRRemoteConfigSettings is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307af0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d970). One of the two will be used. Which one is undefined. objc[54869]: Class FIRRemoteConfig is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307b40) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8d9c0). One of the two will be used. Which one is undefined. objc[54869]: Class RCNConfigAnalytics is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307b90) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8da10). One of the two will be used. Which one is undefined. objc[54869]: Class RCNConfigContent is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307be0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8da60). One of the two will be used. Which one is undefined. objc[54869]: Class RCNConfigDBManager is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307c30) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8dab0). One of the two will be used. Which one is undefined. objc[54869]: Class RCNConfigExperiment is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307c80) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8db00). One of the two will be used. Which one is undefined. objc[54869]: Class RCNConfigFetch is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307cd0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8db50). One of the two will be used. Which one is undefined. objc[54869]: Class RCNConfigSettings is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307d20) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8dba0). One of the two will be used. Which one is undefined. objc[54869]: Class RCNDevice is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307d70) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8dbf0). One of the two will be used. Which one is undefined. objc[54869]: Class AndroidConfigRoot is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307de8) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8dc68). One of the two will be used. Which one is undefined. objc[54869]: Class ConfigFetchReason is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307e10) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8dc90). One of the two will be used. Which one is undefined. objc[54869]: Class AndroidConfigFetchProto is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307e60) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8dce0). One of the two will be used. Which one is undefined. objc[54869]: Class RCNConfigRoot is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307ed8) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8dd58). One of the two will be used. Which one is undefined. objc[54869]: Class RCNPackageData is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307f00) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8dd80). One of the two will be used. Which one is undefined. objc[54869]: Class RCNKeyValue is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307f50) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8ddd0). One of the two will be used. Which one is undefined. objc[54869]: Class RCNNamedValue is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307fa0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8de20). One of the two will be used. Which one is undefined. objc[54869]: Class RCNConfigFetchRequest is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d307ff0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8de70). One of the two will be used. Which one is undefined. objc[54869]: Class RCNPackageTable is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d308040) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8dec0). One of the two will be used. Which one is undefined. objc[54869]: Class RCNAppNamespaceConfigTable is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d308090) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8df10). One of the two will be used. Which one is undefined. objc[54869]: Class RCNAppConfigTable is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d3080e0) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8df60). One of the two will be used. Which one is undefined. objc[54869]: Class RCNConfigFetchResponse is implemented in both /Users/hli/Library/Developer/CoreSimulator/Devices/7766B001-8A5F-43B6-8860-5D36E8DC452C/data/Containers/Bundle/Application/8A18B716-D1D2-4110-83E2-9AE577A034CD/FirebaseDemo.app/FirebaseDemo (0x10d308130) and /Users/hli/Library/Developer/Xcode/DerivedData/FirebaseDemo-ddfdueufgmkxwzameiwbuhnokgax/Build/Products/Debug-iphonesimulator/FirebaseDemo.app/PlugIns/FirebaseDemoTests.xctest/FirebaseDemoTests (0x11df8dfb0). One of the two will be used. Which one is undefined. 2017-05-09 11:54:23.444 FirebaseDemo[54869] <Info> [Firebase/Analytics][I-ACS036002] Firebase screen reporting is enabled. Call +[FIRAnalytics setScreenName:setScreenClass:] to set the screen name or override the default screen class name. To disable screen reporting, set the flag FirebaseScreenReportingEnabled to NO (boolean) in the Info.plist 2017-05-09 11:54:23.451 FirebaseDemo[54869] <Info> [Firebase/Analytics][I-ACS036002] Firebase screen reporting is enabled. Call +[FIRAnalytics setScreenName:setScreenClass:] to set the screen name or override the default screen class name. To disable screen reporting, set the flag FirebaseScreenReportingEnabled to NO (boolean) in the Info.plist 2017-05-09 11:54:23.523 FirebaseDemo[54869] <Debug> [Firebase/Core][I-COR000001] Configuring the default app. 2017-05-09 11:54:23.535 FirebaseDemo[54869] <Error> [Firebase/Core][I-COR000012] Could not locate configuration file: 'GoogleService-Info.plist'. 2017-05-09 11:54:23.538 FirebaseDemo[54869] <Debug> [Firebase/Analytics][I-ACS024000] Debug mode is on 2017-05-09 11:54:23.538 FirebaseDemo[54869] <Error> [Firebase/Analytics][I-ACS020006] Google App ID from GoogleService-Info.plist is empty. Please, define GOOGLE_APP_ID in GoogleService-Info.plist for Analytics to work reliably. 2017-05-09 11:54:23.540 FirebaseDemo[54869] <Error> [Firebase/Core][I-COR000004] App with name __FIRAPP_DEFAULT does not exist. 2017-05-09 11:54:23.540 FirebaseDemo[54869] <Warning> [Firebase/Analytics][I-ACS005000] The AdSupport Framework is not currently linked. Some features will not function properly. Learn more at http://goo.gl/9vSsPb 2017-05-09 11:54:23.541 FirebaseDemo[54869] <Info> [Firebase/Messaging][I-IID013010] InstanceID library version 1.0.10 2017-05-09 11:54:23.542 FirebaseDemo[54869] <Error> [Firebase/Analytics][I-ACS025020] Analytics requires Google App ID from GoogleService-Info.plist. Your data may be lost. Google App ID has been changed. Original, new ID: (nil), 1:892880578787:ios:804d980568a1434e 2017-05-09 11:54:23.545 FirebaseDemo[54869] <Notice> [Firebase/Analytics][I-ACS023007] Firebase Analytics v.3900000 started 2017-05-09 11:54:23.545 FirebaseDemo[54869] <Notice> [Firebase/Analytics][I-ACS023008] To disable debug logging set the following application argument: -noFIRAnalyticsDebugEnabled (see http://goo.gl/RfcP7r) 2017-05-09 11:54:23.546 FirebaseDemo[54869] <Debug> [Firebase/Analytics][I-ACS023009] Debug logging enabled 2017-05-09 11:54:23.547 FirebaseDemo[54869] <Notice> [Firebase/Analytics][I-ACS003007] Successfully created Firebase Analytics App Delegate Proxy automatically. To disable the proxy, set the flag FirebaseAppDelegateProxyEnabled to NO in the Info.plist 2017-05-09 11:54:23.550 FirebaseDemo[54869] <Error> [Firebase/Messaging][I-IID001000] Firebase is not set up correctly. Sender ID is nil or empty. 2017-05-09 11:54:23.554 FirebaseDemo[54869:470681] *** Terminating app due to uncaught exception 'com.firebase.instanceid', reason: 'Could not configure Firebase InstanceID. Google Sender ID must not be nil or empty.' *** First throw call stack: ( 0 CoreFoundation 0x000000010e30bb0b __exceptionPreprocess + 171 1 libobjc.A.dylib 0x000000010dd70141 objc_exception_throw + 48 2 CoreFoundation 0x000000010e374625 +[NSException raise:format:] + 197 3 FirebaseDemoTests 0x000000011df01c1a +[FIRInstanceID(FIRApp) exitApp:withReason:] + 188 4 FirebaseDemoTests 0x000000011df019ec -[FIRInstanceID(FIRApp) configureInstanceIDWithApp:] + 451 5 FirebaseDemoTests 0x000000011df017fa +[FIRInstanceID(FIRApp) didReceiveConfigureSDKNotification:] + 151 6 CoreFoundation 0x000000010e2aac2c __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 12 7 CoreFoundation 0x000000010e2aab29 _CFXRegistrationPost + 425 8 CoreFoundation 0x000000010e2aa892 ___CFXNotificationPost_block_invoke + 50 9 CoreFoundation 0x000000010e26e162 -[_CFXNotificationRegistrar find:object:observer:enumerator:] + 1826 10 CoreFoundation 0x000000010e26d2c1 _CFXNotificationPost + 673 11 Foundation 0x000000010d83eb24 -[NSNotificationCenter postNotificationName:object:userInfo:] + 66 12 FirebaseDemo 0x000000010d255c3a +[FIRApp sendNotificationsToSDKs:] + 381 13 FirebaseDemo 0x000000010d2549bc +[FIRApp configureDefaultAppWithOptions:sendingNotifications:] + 341 14 FirebaseDemo 0x000000010d25471f +[FIRApp configureWithOptions:] + 90 15 FirebaseDemo 0x000000010d1f092c _TZFC12FirebaseDemo11AppDelegate17configureFirebasefT_T_ + 1548 16 FirebaseDemo 0x000000010d1f02f9 _TFC12FirebaseDemo11AppDelegate11applicationfTCSo13UIApplication29didFinishLaunchingWithOptionsGSqGVs10DictionaryVSC29UIApplicationLaunchOptionsKeyP____Sb + 57 17 FirebaseDemo 0x000000010d1f0fe4 _TToFC12FirebaseDemo11AppDelegate11applicationfTCSo13UIApplication29didFinishLaunchingWithOptionsGSqGVs10DictionaryVSC29UIApplicationLaunchOptionsKeyP____Sb + 180 18 UIKit 0x000000010ee7d957 -[UIApplication _handleDelegateCallbacksWithOptions:isSuspended:restoreState:] + 299 19 UIKit 0x000000010ee7f23c -[UIApplication _callInitializationDelegatesForMainScene:transitionContext:] + 4119 20 UIKit 0x000000010ee85584 -[UIApplication _runWithMainScene:transitionContext:completion:] + 1709 21 UIKit 0x000000010ee82793 -[UIApplication workspaceDidEndTransaction:] + 182 22 FrontBoardServices 0x0000000114d375f6 __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ + 24 23 FrontBoardServices 0x0000000114d3746d -[FBSSerialQueue _performNext] + 186 24 FrontBoardServices 0x0000000114d377f6 -[FBSSerialQueue _performNextFromRunLoopSource] + 45 25 CoreFoundation 0x000000010e2b1c01 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 26 CoreFoundation 0x000000010e2970cf __CFRunLoopDoSources0 + 527 27 CoreFoundation 0x000000010e2965ff __CFRunLoopRun + 911 28 CoreFoundation 0x000000010e296016 CFRunLoopRunSpecific + 406 29 UIKit 0x000000010ee8102f -[UIApplication _run] + 468 30 UIKit 0x000000010ee870d4 UIApplicationMain + 159 31 FirebaseDemo 0x000000010d1f1987 main + 55 32 libdyld.dylib 0x0000000110b9265d start + 1 ) libc++abi.dylib: terminating with uncaught exception of type NSException (lldb)

54lihaoxin on 9 May 2017

The issue is caused by duplicate FIRApp class definitions in the test runtime.

Your Podfile should look like this:

target "FirebaseDemo" do
  install_pods

  target "FirebaseDemoTests" do
    inherit! :search_paths
  end
end

In order to avoid the missing required module Firebase error, add "${PODS_ROOT}/Firebase/Core/Sources" to the end of your test target's Header Search Paths in Xcode.

morganchen12 on 9 May 2017

👍7 🎉3

@morganchen12 Thanks for the input, this fixes the sample project.

54lihaoxin on 10 May 2017

Terminating app due to uncaught exception 'com.firebase.instanceid', reason: 'Could not configure Firebase InstanceID. Google Sender ID must not be nil or empty.'

I am getting this error on my unit tests. Did anyone find a solution? Downgrading to 3.15.0 works but creates compiler warnings on Xcode 8.3

ArthurAlvarez on 10 May 2017

Do you have duplicate class implementation warnings in your console when running tests?

Have you tried any of the above solutions?

morganchen12 on 11 May 2017

Yes, I get those warnings when running tests.
I tried adding "${PODS_ROOT}/Firebase/Core/Sources" to the end of the test target's Header Search Paths but nothing changed.

ArthurAlvarez on 11 May 2017

Please read the rest of the solution. You shouldn't be duplicating Firebase dependencies across your app and test targets.

morganchen12 on 12 May 2017

Oh I had it duplicated on my Podfile. Now it works! Thank you very much!

ArthurAlvarez on 12 May 2017

Curiously, disabling bitcode fixes the warnings below. Though I'm not sure that's a good idea to trade potential performance improvement for no archive warnings.

Apple Mach-O Linker (id) Warning
-Linker asked to preserve internal global: 'sharedInstance.shared.Instance'
-Linker asked to preserve internal global: '__block_descriptor_tmp'
-Linker asked to preserve internal global '__block_literal_global'
along with 200+ more

truemetal on 10 Jan 2018

Oh I had it duplicated on my Podfile. Now it works! Thank you very much!
@ArthurAlvarez
How did you remove the duplicate class implementation warnings in your console when running tests?
I am also having the same warnings.

kamarshad on 28 Jan 2020

Firebaseui-ios: Multitude of warnings after updating to XCode 8.3

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