Ionic-cli: Encountered an error communicating with Interface Builder Cocoa Touch Tool

[palidanx]

Description:

And I am trying to run ionic cordova build ios on my ionic 3 project and get this error in my Mac OSX Sierra I have

Encountered an error communicating with Interface Builder Cocoa Touch Tool. (Failure reason: Interface Builder Cocoa Touch Tool (-1) failed to launch): Failed to launch Interface Builder Cocoa Touch Tool via CoreSimulator spawn (Failure reason: Failed to spawn Interface Builder Cocoa Touch Tool on SimDevice : IBSimDeviceTypeiPad2x (B65EA931-36DF-4D18-987C-93E0A9CBD356) : state={ Shutdown } deviceType={ SimDeviceType : com.apple.dt.Xcode.IBSimDeviceType.iPad-2x } runtime={ SimRuntime : 10.3.1 (14E8301) - com.apple.CoreSimulator.SimRuntime.iOS-10-3 }): The operation couldn’t be completed. Invalid argument (Failure reason: Invalid argument)

Full trace:
Gist

My ionic info:

global packages:

    @ionic/cli-utils : 1.4.0
    Cordova CLI      : 7.0.1 
    Ionic CLI        : 3.4.0

local packages:

    @ionic/app-scripts              : 1.3.7
    @ionic/cli-plugin-cordova       : 1.4.0
    @ionic/cli-plugin-ionic-angular : 1.3.1
    Cordova Platforms               : ios 4.4.0
    Ionic Framework                 : ionic-angular 3.2.1

System:

    Node       : v6.11.0
    OS         : macOS Sierra
    Xcode      : Xcode 8.3.3 Build version 8E3004b 
    ios-deploy : 1.9.1 
    ios-sim    : 5.1.0 
    npm        : 5.0.3 

[imhoffd]

@palidanx Care to comment on what fixed your issue? Some people visit via Google.

[palidanx]

Sure! It was kind of bizarre, but updating to the latest version of mac os x sierra public beta 7 fixed the problem. I really have no idea why, but hey I'll take it.