Cocoapods: JSON::ParserError - 416: unexpected token at '"src/core/lib/iomgr/socket_utils_common'

[Mia12344]

i am using nativescript firebase
and hear is my pod file

use_frameworks!

target "bebopnativescript" do
# Begin Podfile - /Users/m.tahir/projects/Fiver/bebop-nativescript/node_modules/nativescript-pager/platforms/ios/Podfile
pod 'CHIPageControl', :git => 'https://github.com/triniwiz/CHIPageControl.git'

# End Podfile

# NativeScriptPlatformSection /Users/m.tahir/projects/Fiver/bebop-nativescript/node_modules/nativescript-plugin-firebase/platforms/ios/Podfile with 9.0
platform :ios, '9.0'
# End NativeScriptPlatformSection

# Begin Podfile - /Users/m.tahir/projects/Fiver/bebop-nativescript/node_modules/nativescript-plugin-firebase/platforms/ios/Podfile
# platform :ios, '9.0'

#pod 'Firebase/Core', '~>6.16.0'

# Analytics
#pod 'Firebase/Analytics'

# Authentication
pod 'Firebase/Auth'

# Realtime DB
pod 'Firebase/Database'

# Cloud Firestore
pod 'Firebase/Firestore'

# Remote Config
#pod 'Firebase/RemoteConfig'

# Performance Monitoring
pod 'Firebase/Performance'

# Crashlytics
#pod 'Fabric'
#pod 'Crashlytics'


# Firebase Cloud Messaging (FCM)
pod 'Firebase/Messaging'

# Firebase In-App Messaging
pod 'Firebase/InAppMessaging'

# Firebase Cloud Storage
pod 'Firebase/Storage'

# Firebase Cloud Functions
pod 'Firebase/Functions'

# AdMob
#pod 'Firebase/AdMob'

# Dynamic Links
#pod 'Firebase/DynamicLinks'

# ML Kit
#pod 'Firebase/MLVision'
#pod 'Firebase/MLVisionTextModel'
#pod 'Firebase/MLVisionBarcodeModel'
#pod 'Firebase/MLVisionFaceModel'
#pod 'Firebase/MLVisionLabelModel'
#pod 'Firebase/MLVisionObjectDetection'
#pod 'Firebase/MLModelInterpreter'
#pod 'Firebase/MLVisionAutoML'
#pod 'Firebase/MLNaturalLanguage'
#pod 'Firebase/MLNLLanguageID'
#pod 'Firebase/MLNLTranslate'
#pod 'Firebase/MLCommon'
#pod 'Firebase/MLNLSmartReply'

# Facebook Authentication
pod 'FBSDKCoreKit'
pod 'FBSDKLoginKit'

# Google Authentication
pod 'GoogleSignIn', '~> 5.0'
# End Podfile

# Begin Podfile - /Users/m.tahir/projects/Fiver/bebop-nativescript/node_modules/@nativescript/core/platforms/ios/Podfile
# platform :ios, '9.0'
use_frameworks!

pod 'MaterialComponents/Tabs', '~> 94.5'
# End Podfile
end

and hear is the error

――― MARKDOWN TEMPLATE ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――

### Command

/Users/m.tahir/.rvm/rubies/ruby-2.6.3/bin/pod install

### Report

* What did you do?

* What did you expect to happen?

* What happened instead?


### Stack

CocoaPods : 1.9.0
Ruby : ruby 2.6.3p62 (2019-04-16 revision 67580) [x86_64-darwin18]
RubyGems : 3.0.6
Host : Mac OS X 10.15.2 (19C57)
Xcode : 11.3 (11C29)
Git : git version 2.18.0
Ruby lib dir : /Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib
Repositories : trunk - CDN - https://cdn.cocoapods.org/

### Plugins

cocoapods-deintegrate : 1.0.4
cocoapods-plugins : 1.0.0
cocoapods-search : 1.0.0
cocoapods-stats : 1.1.0
cocoapods-trunk : 1.4.1
cocoapods-try : 1.1.0

### Podfile

```ruby
use_frameworks!

target "bebopnativescript" do
# Begin Podfile - /Users/m.tahir/projects/Fiver/bebop-nativescript/node_modules/nativescript-pager/platforms/ios/Podfile
pod 'CHIPageControl', :git => 'https://github.com/triniwiz/CHIPageControl.git'

# End Podfile

# NativeScriptPlatformSection /Users/m.tahir/projects/Fiver/bebop-nativescript/node_modules/nativescript-plugin-firebase/platforms/ios/Podfile with 9.0
platform :ios, '9.0'
# End NativeScriptPlatformSection

# Begin Podfile - /Users/m.tahir/projects/Fiver/bebop-nativescript/node_modules/nativescript-plugin-firebase/platforms/ios/Podfile
# platform :ios, '9.0'

#pod 'Firebase/Core', '~>6.16.0'

# Analytics
#pod 'Firebase/Analytics'

# Authentication
pod 'Firebase/Auth'

# Realtime DB
pod 'Firebase/Database'

# Cloud Firestore
pod 'Firebase/Firestore'

# Remote Config
#pod 'Firebase/RemoteConfig'

# Performance Monitoring
pod 'Firebase/Performance'

# Crashlytics
#pod 'Fabric'
#pod 'Crashlytics'


# Firebase Cloud Messaging (FCM)
pod 'Firebase/Messaging'

# Firebase In-App Messaging
pod 'Firebase/InAppMessaging'

# Firebase Cloud Storage
pod 'Firebase/Storage'

# Firebase Cloud Functions
pod 'Firebase/Functions'

# AdMob
#pod 'Firebase/AdMob'

# Dynamic Links
#pod 'Firebase/DynamicLinks'

# ML Kit
#pod 'Firebase/MLVision'
#pod 'Firebase/MLVisionTextModel'
#pod 'Firebase/MLVisionBarcodeModel'
#pod 'Firebase/MLVisionFaceModel'
#pod 'Firebase/MLVisionLabelModel'
#pod 'Firebase/MLVisionObjectDetection'
#pod 'Firebase/MLModelInterpreter'
#pod 'Firebase/MLVisionAutoML'
#pod 'Firebase/MLNaturalLanguage'
#pod 'Firebase/MLNLLanguageID'
#pod 'Firebase/MLNLTranslate'
#pod 'Firebase/MLCommon'
#pod 'Firebase/MLNLSmartReply'

# Facebook Authentication
pod 'FBSDKCoreKit'
pod 'FBSDKLoginKit'

# Google Authentication
pod 'GoogleSignIn', '~> 5.0'
# End Podfile

# Begin Podfile - /Users/m.tahir/projects/Fiver/bebop-nativescript/node_modules/@nativescript/core/platforms/ios/Podfile
# platform :ios, '9.0'
use_frameworks!

pod 'MaterialComponents/Tabs', '~> 94.5'
# End Podfile
end

Error

JSON::ParserError - 416: unexpected token at '"src/core/lib/iomgr/socket_utils_common'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/json/common.rb:156:in `parse'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/2.6.0/json/common.rb:156:in `parse'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-core-1.9.0/lib/cocoapods-core/specification/json.rb:61:in `from_json'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-core-1.9.0/lib/cocoapods-core/specification.rb:742:in `from_string'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-core-1.9.0/lib/cocoapods-core/specification.rb:716:in `from_file'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-core-1.9.0/lib/cocoapods-core/source.rb:186:in `specification'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-core-1.9.0/lib/cocoapods-core/specification/set.rb:58:in `block in specification_name'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-core-1.9.0/lib/cocoapods-core/specification/set.rb:56:in `each'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-core-1.9.0/lib/cocoapods-core/specification/set.rb:56:in `specification_name'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-core-1.9.0/lib/cocoapods-core/cdn_source.rb:216:in `search'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-core-1.9.0/lib/cocoapods-core/source/aggregate.rb:83:in `block in search'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-core-1.9.0/lib/cocoapods-core/source/aggregate.rb:83:in `select'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-core-1.9.0/lib/cocoapods-core/source/aggregate.rb:83:in `search'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/resolver.rb:416:in `create_set_from_sources'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/resolver.rb:385:in `find_cached_set'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/resolver.rb:360:in `specifications_for_dependency'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/resolver.rb:165:in `search_for'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/resolver.rb:274:in `block in sort_dependencies'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/resolver.rb:267:in `each'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/resolver.rb:267:in `sort_by'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/resolver.rb:267:in `sort_dependencies'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/delegates/specification_provider.rb:53:in `block in sort_dependencies'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/delegates/specification_provider.rb:70:in `with_no_such_dependency_error_handling'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/delegates/specification_provider.rb:52:in `sort_dependencies'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/resolution.rb:754:in `push_state_for_requirements'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/resolution.rb:746:in `require_nested_dependencies_for'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/resolution.rb:729:in `activate_new_spec'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/resolution.rb:686:in `attempt_to_activate'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/resolution.rb:254:in `process_topmost_state'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/resolution.rb:182:in `resolve'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/resolver.rb:43:in `resolve'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/resolver.rb:94:in `resolve'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/installer/analyzer.rb:1065:in `block in resolve_dependencies'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/user_interface.rb:64:in `section'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/installer/analyzer.rb:1063:in `resolve_dependencies'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/installer/analyzer.rb:124:in `analyze'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/installer.rb:410:in `analyze'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/installer.rb:235:in `block in resolve_dependencies'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/user_interface.rb:64:in `section'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/installer.rb:234:in `resolve_dependencies'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/installer.rb:156:in `install!'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/command/install.rb:52:in `run'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/claide-1.0.3/lib/claide/command.rb:334:in `run'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/lib/cocoapods/command.rb:52:in `run'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/cocoapods-1.9.0/bin/pod:55:in `<top (required)>'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/bin/pod:23:in `load'
/Users/m.tahir/.rvm/rubies/ruby-2.6.3/bin/pod:23:in `<main>'
/Users/m.tahir/.rvm/gems/ruby-2.6.3/bin/ruby_executable_hooks:24:in `eval'
/Users/m.tahir/.rvm/gems/ruby-2.6.3/bin/ruby_executable_hooks:24:in `<main>'

――― TEMPLATE END ――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――

[!] Oh no, an error occurred.

Search for existing GitHub issues similar to yours:
https://github.com/CocoaPods/CocoaPods/search?q=416%3A+unexpected+token+at+%27%22src%2Fcore%2Flib%2Fiomgr%2Fsocket_utils_common%27&type=Issues

If none exists, create a ticket, with the template displayed above, on:
https://github.com/CocoaPods/CocoaPods/issues/new

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Looking for related issues on cocoapods/cocoapods...
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'pod install' command failed.

```

[dnkoutso]

Need a sample app demonstrating the issue.

[Mia12344]

please test this project
https://github.com/tahir-jamil/testCocopod

[dnkoutso]

Sorry this project does not contain a Podfile to test. Please run pod cache clean --all and try again.

Also it is best to ask StackOverflow for this question instead.

[prakhar-goel]

I am having the exact same issue, trying to run https://github.com/mdanics/fluttergram (flutter project)

1. I cloned the project
2. Ran flutter pub get
3. cd ios
4. pod install

Command

/usr/local/bin/pod install

Report

• What did you do?

• What did you expect to happen?

• What happened instead?

Stack

   CocoaPods : 1.9.1
        Ruby : ruby 2.6.3p62 (2019-04-16 revision 67580) [universal.x86_64-darwin19]
    RubyGems : 3.0.3
        Host : Mac OS X 10.15.4 (19E287)
       Xcode : 11.4.1 (11E503a)
         Git : git version 2.24.2 (Apple Git-127)
Ruby lib dir : /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib
Repositories : master - git - https://github.com/CocoaPods/Specs.git @ 74f054235ad31a14e068ef25bc5d53d7b25491db

               trunk - CDN - https://cdn.cocoapods.org/

Plugins

cocoapods-deintegrate : 1.0.4
cocoapods-plugins     : 1.0.0
cocoapods-search      : 1.0.0
cocoapods-stats       : 1.1.0
cocoapods-trunk       : 1.5.0
cocoapods-try         : 1.2.0

Podfile

# Uncomment this line to define a global platform for your project
# platform :ios, '9.0'

# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
ENV['COCOAPODS_DISABLE_STATS'] = 'true'

def parse_KV_file(file, separator='=')
  file_abs_path = File.expand_path(file)
  if !File.exists? file_abs_path
    return [];
  end
  pods_ary = []
  skip_line_start_symbols = ["#", "/"]
  File.foreach(file_abs_path) { |line|
      next if skip_line_start_symbols.any? { |symbol| line =~ /^\s*#{symbol}/ }
      plugin = line.split(pattern=separator)
      if plugin.length == 2
        podname = plugin[0].strip()
        path = plugin[1].strip()
        podpath = File.expand_path("#{path}", file_abs_path)
        pods_ary.push({:name => podname, :path => podpath});
      else
        puts "Invalid plugin specification: #{line}"
      end
  }
  return pods_ary
end

target 'Runner' do
  # Prepare symlinks folder. We use symlinks to avoid having Podfile.lock
  # referring to absolute paths on developers' machines.
  system('rm -rf .symlinks')
  system('mkdir -p .symlinks/plugins')

  # Flutter Pods
  generated_xcode_build_settings = parse_KV_file('./Flutter/Generated.xcconfig')
  if generated_xcode_build_settings.empty?
    puts "Generated.xcconfig must exist. If you're running pod install manually, make sure flutter packages get is executed first."
  end
  generated_xcode_build_settings.map { |p|
    if p[:name] == 'FLUTTER_FRAMEWORK_DIR'
      symlink = File.join('.symlinks', 'flutter')
      File.symlink(File.dirname(p[:path]), symlink)
      pod 'Flutter', :path => File.join(symlink, File.basename(p[:path]))
    end
  }

  # Plugin Pods
  plugin_pods = parse_KV_file('../.flutter-plugins')
  plugin_pods.map { |p|
    symlink = File.join('.symlinks', 'plugins', p[:name])
    File.symlink(p[:path], symlink)
    pod p[:name], :path => File.join(symlink, 'ios')
  }
end

post_install do |installer|
  installer.pods_project.targets.each do |target|
    target.build_configurations.each do |config|
      config.build_settings['ENABLE_BITCODE'] = 'NO'
    end
  end
end

Error

JSON::ParserError - 416: unexpected token at '"src/core/lib/iomgr/pollset_set_'
/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/json/common.rb:156:in `parse'
/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/json/common.rb:156:in `parse'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-core-1.9.1/lib/cocoapods-core/specification/json.rb:61:in `from_json'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-core-1.9.1/lib/cocoapods-core/specification.rb:742:in `from_string'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-core-1.9.1/lib/cocoapods-core/specification.rb:716:in `from_file'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-core-1.9.1/lib/cocoapods-core/source.rb:186:in `specification'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-core-1.9.1/lib/cocoapods-core/specification/set.rb:58:in `block in specification_name'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-core-1.9.1/lib/cocoapods-core/specification/set.rb:56:in `each'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-core-1.9.1/lib/cocoapods-core/specification/set.rb:56:in `specification_name'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-core-1.9.1/lib/cocoapods-core/cdn_source.rb:216:in `search'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-core-1.9.1/lib/cocoapods-core/source/aggregate.rb:83:in `block in search'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-core-1.9.1/lib/cocoapods-core/source/aggregate.rb:83:in `select'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-core-1.9.1/lib/cocoapods-core/source/aggregate.rb:83:in `search'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/resolver.rb:416:in `create_set_from_sources'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/resolver.rb:385:in `find_cached_set'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/resolver.rb:360:in `specifications_for_dependency'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/resolver.rb:165:in `search_for'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/resolver.rb:274:in `block in sort_dependencies'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/resolver.rb:267:in `each'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/resolver.rb:267:in `sort_by'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/resolver.rb:267:in `sort_dependencies'
/Library/Ruby/Gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/delegates/specification_provider.rb:53:in `block in sort_dependencies'
/Library/Ruby/Gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/delegates/specification_provider.rb:70:in `with_no_such_dependency_error_handling'
/Library/Ruby/Gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/delegates/specification_provider.rb:52:in `sort_dependencies'
/Library/Ruby/Gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/resolution.rb:754:in `push_state_for_requirements'
/Library/Ruby/Gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/resolution.rb:746:in `require_nested_dependencies_for'
/Library/Ruby/Gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/resolution.rb:729:in `activate_new_spec'
/Library/Ruby/Gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/resolution.rb:686:in `attempt_to_activate'
/Library/Ruby/Gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/resolution.rb:254:in `process_topmost_state'
/Library/Ruby/Gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/resolution.rb:182:in `resolve'
/Library/Ruby/Gems/2.6.0/gems/molinillo-0.6.6/lib/molinillo/resolver.rb:43:in `resolve'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/resolver.rb:94:in `resolve'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer/analyzer.rb:1065:in `block in resolve_dependencies'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/user_interface.rb:64:in `section'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer/analyzer.rb:1063:in `resolve_dependencies'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer/analyzer.rb:124:in `analyze'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer.rb:410:in `analyze'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer.rb:235:in `block in resolve_dependencies'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/user_interface.rb:64:in `section'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer.rb:234:in `resolve_dependencies'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/installer.rb:156:in `install!'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/command/install.rb:52:in `run'
/Library/Ruby/Gems/2.6.0/gems/claide-1.0.3/lib/claide/command.rb:334:in `run'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/command.rb:52:in `run'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/bin/pod:55:in `<top (required)>'
/usr/local/bin/pod:23:in `load'
/usr/local/bin/pod:23:in `<main>'

[prakhar-goel]

rm -rf ~/.cocoapods/repos/Spec_Lock
and
rm -rf ~/.cocoapods/repos/trunk/

fixed the error for me.

[lautaropaske]

rm -rf ~/.cocoapods/repos/Spec_Lock
and
rm -rf ~/.cocoapods/repos/trunk/

fixed the error for me.

This fixed my issue. In my case, I had bad data in mi Info.plist file and after changing it, cache was still bothering. Doing this renewed the cache and build passed.

[Sr-Lucas]

rm -rf ~/.cocoapods/repos/Spec_Lock
and
rm -rf ~/.cocoapods/repos/trunk/

fixed the error for me.

Thanks! This fixed the error.

[skshubhamsharma]

In my case that was cocoapods's cache so I remove cocoapods cache.

pod cache clean --all
sudo rm -rf ~/.cocoapods/repos

[NerdFaisal404]

In my case that was cocoapods's cache so I remove cocoapods cache.

pod cache clean --all
sudo rm -rf ~/.cocoapods/repos

Thanks

[maxpill]

rm -rf ~/.cocoapods/repos/Spec_Lock
rm -rf ~/.cocoapods/repos/trunk/
pod cache clean -all

Running these solved my problem