XcodeMacLocationSimulation crashes due to missing DVTFoundation library

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Created Aug ’20

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When I launch a macOS app from within xcode that uses Core Location, the location simulation button has no effect. Moreover, I can see in Console.app that com.apple.dt.XcodeMacLocationSimulation 100% consistently crashes when I start such app from within xcode or press said button.

Console.app shows the below - consistent with the terminal output if running the command directly from there. I have tried to remove Xcode (delete Xcode.app from /Applications), reboot and reinstall from app store with no change in behavior.

Google provides only vague hints and nothing about the exact problem. Any hints as to what goes on? The /Applications/Xcode.app folder was completely empty when doing the reinstall. And all libraries referenced in the crash report seem to belong there.

The essential detail seems to be:

Code Block Dyld Error Message:  Library not loaded: @rpath/DVTFoundation.framework/Versions/A/DVTFoundation  Referenced from: /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Xcode/PrivatePlugIns/IDEOSXSupportCore.ideplugin/Contents/XPCServices/com.apple.dt.XcodeMacLocationSimulation.xpc/Contents/MacOS/com.apple.dt.XcodeMacLocationSimulation  Reason: image not found

The missing library exists in this location on my system:

/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform//Developer/iOSSupport/Library/PrivateFrameworks/DVTFoundation.framework/Versions/A/DVTFoundation

The full crash report:

Code Block Process:               com.apple.dt.XcodeMacLocationSimulation [2127]
Path:                  /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Xcode/PrivatePlugIns/IDEOSXSupportCore.ideplugin/Contents/XPCServices/com.apple.dt.XcodeMacLocationSimulation.xpc/Contents/MacOS/com.apple.dt.XcodeMacLocationSimulation
Identifier:            com.apple.dt.XcodeMacLocationSimulation
Version:               11.6 (16005)
Build Info:            IDEOSXSupport-16005000000000000~143
Code Type:             X86-64 (Native)
Parent Process:        ??? [1]
Responsible:           Xcode [1907]
User ID:               501
Date/Time:             2020-08-31 23:54:47.347 +0200
OS Version:            Mac OS X 10.15.5 (19F101)
Report Version:        12
Bridge OS Version:     3.0 (14Y908)
Anonymous UUID:        BED37D64-689E-63A4-6755-6A2BF5583EF3
Time Awake Since Boot: 1700 seconds
System Integrity Protection: enabled
Crashed Thread:        0
Exception Type:        EXC_CRASH (SIGABRT)
Exception Codes:       0x0000000000000000, 0x0000000000000000
Exception Note:        EXC_CORPSE_NOTIFY
Termination Reason:    DYLD, [0x1] Library missing
Application Specific Information:
dyld: launch, loading dependent libraries
Dyld Error Message:
  Library not loaded: @rpath/DVTFoundation.framework/Versions/A/DVTFoundation
  Referenced from: /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Xcode/PrivatePlugIns/IDEOSXSupportCore.ideplugin/Contents/XPCServices/com.apple.dt.XcodeMacLocationSimulation.xpc/Contents/MacOS/com.apple.dt.XcodeMacLocationSimulation
  Reason: image not found
Binary Images:
       0x10f0b0000 -        0x10f0b2ffb  com.apple.dt.XcodeMacLocationSimulation (11.6 - 16005) <9EB3F587-F11A-3F65-8259-029B9E377403> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Xcode/PrivatePlugIns/IDEOSXSupportCore.ideplugin/Contents/XPCServices/com.apple.dt.XcodeMacLocationSimulation.xpc/Contents/MacOS/com.apple.dt.XcodeMacLocationSimulation
       0x112680000 -        0x112711eff  dyld (750.5) <E4698FBD-806A-3396-B279-E685BA37430B> /usr/lib/dyld

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