Released app repeatedly crashing on launch, Crashlytics is enabled but no crash reports getting sent

Question

Created Oct ’23

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I've users reporting a crash on app launch which I'm unable to reproduce. The app has Crashlytics but none of the crashes are getting sent to the Crashlytics console (Crashlytics is set up correctly and reports can get through for when the app doesn't crash on startup, but not getting sent for this).

I've managed to get a crash report off a phone, but can't see anything useful. Are there any clues in here as to the possible cause?

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Termination Reason: SIGNAL 6 Abort trap: 6
Terminating Process: AppName [566]`

Last Exception Backtrace:
0   CoreFoundation                	       0x192622870 __exceptionPreprocess + 164
1   libobjc.A.dylib               	       0x18a94fc00 objc_exception_throw + 59
2   AppName                    	       0x1046b7450 0x10401c000 + 6927440
3   AppName                    	       0x104683990 0x10401c000 + 6715792
4   AppName                    	       0x10468542c 0x10401c000 + 6722604
5   AppName                    	       0x1040b5900 0x10401c000 + 628992
6   AppName                    	       0x1040b593c 0x10401c000 + 629052
7   AppName                    	       0x10408a3b0 0x10401c000 + 451504
8   AppName                    	       0x10407f320 0x10401c000 + 406304
9   AppName                    	       0x10407f4a4 0x10401c000 + 406692
10  AppName                    	       0x1040346c0 0x10401c000 + 100032
11  UIKitCore                     	       0x194969ddc -[UIApplication _handleDelegateCallbacksWithOptions:isSuspended:restoreState:] + 319
12  UIKitCore                     	       0x194968f44 -[UIApplication _callInitializationDelegatesWithActions:forCanvas:payload:fromOriginatingProcess:] + 2855
13  UIKitCore                     	       0x194967f28 -[UIApplication _runWithMainScene:transitionContext:completion:] + 855
14  UIKitCore                     	       0x194967b74 -[_UISceneLifecycleMultiplexer completeApplicationLaunchWithFBSScene:transitionContext:] + 131
15  UIKitCore                     	       0x1948e4434 _UIScenePerformActionsWithLifecycleActionMask + 111
16  UIKitCore                     	       0x19496bb70 __101-[_UISceneLifecycleMultiplexer _evalTransitionToSettings:fromSettings:forceExit:withTransitionStore:]_block_invoke + 215
17  UIKitCore                     	       0x19489329c -[_UISceneLifecycleMultiplexer _performBlock:withApplicationOfDeactivationReasons:fromReasons:] + 219
18  UIKitCore                     	       0x194891d14 -[_UISceneLifecycleMultiplexer _evalTransitionToSettings:fromSettings:forceExit:withTransitionStore:] + 607
19  UIKitCore                     	       0x19489167c -[_UISceneLifecycleMultiplexer uiScene:transitionedFromState:withTransitionContext:] + 247
20  UIKitCore                     	       0x19489154c __186-[_UIWindowSceneFBSSceneTransitionContextDrivenLifecycleSettingsDiffAction _performActionsForUIScene:withUpdatedFBSScene:settingsDiff:fromSettings:transitionContext:lifecycleActionType:]_block_invoke + 147
21  UIKitCore                     	       0x194891454 +[BSAnimationSettings(UIKit) tryAnimatingWithSettings:fromCurrentState:actions:completion:] + 735
22  UIKitCore                     	       0x194890cdc _UISceneSettingsDiffActionPerformChangesWithTransitionContextAndCompletion + 223
23  UIKitCore                     	       0x19489098c -[_UIWindowSceneFBSSceneTransitionContextDrivenLifecycleSettingsDiffAction _performActionsForUIScene:withUpdatedFBSScene:settingsDiff:fromSettings:transitionContext:lifecycleActionType:] + 315
24  UIKitCore                     	       0x194c13520 __64-[UIScene scene:didUpdateWithDiff:transitionContext:completion:]_block_invoke.225 + 611
25  UIKitCore                     	       0x19488fb10 -[UIScene _emitSceneSettingsUpdateResponseForCompletion:afterSceneUpdateWork:] + 215
26  UIKitCore                     	       0x19488f980 -[UIScene scene:didUpdateWithDiff:transitionContext:completion:] + 243
27  UIKitCore                     	       0x1949a826c -[UIApplication workspace:didCreateScene:withTransitionContext:completion:] + 507
28  UIKitCore                     	       0x1949a8004 -[UIApplicationSceneClientAgent scene:didInitializeWithEvent:completion:] + 287
29  FrontBoardServices            	       0x1ab0766d4 -[FBSScene _callOutQueue_didCreateWithTransitionContext:completion:] + 323
30  FrontBoardServices            	       0x1ab076570 __92-[FBSWorkspaceScenesClient createSceneWithIdentity:parameters:transitionContext:completion:]_block_invoke.108 + 279
31  FrontBoardServices            	       0x1ab07519c -[FBSWorkspace _calloutQueue_executeCalloutFromSource:withBlock:] + 167
32  FrontBoardServices            	       0x1ab080f8c __92-[FBSWorkspaceScenesClient createSceneWithIdentity:parameters:transitionContext:completion:]_block_invoke + 351
33  libdispatch.dylib             	       0x19a4cf300 _dispatch_client_callout + 19
34  libdispatch.dylib             	       0x19a4d2d48 _dispatch_block_invoke_direct + 283
35  FrontBoardServices            	       0x1ab071520 __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ + 51
36  FrontBoardServices            	       0x1ab0714a0 -[FBSMainRunLoopSerialQueue _targetQueue_performNextIfPossible] + 239
37  FrontBoardServices            	       0x1ab071378 -[FBSMainRunLoopSerialQueue _performNextFromRunLoopSource] + 27
38  CoreFoundation                	       0x19256d31c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 27
39  CoreFoundation                	       0x19256c598 __CFRunLoopDoSource0 + 175
40  CoreFoundation                	       0x19256adac __CFRunLoopDoSources0 + 339
41  CoreFoundation                	       0x192569a88 __CFRunLoopRun + 827
42  CoreFoundation                	       0x192569668 CFRunLoopRunSpecific + 607
43  GraphicsServices              	       0x1d648f5ec GSEventRunModal + 163
44  UIKitCore                     	       0x1949850d4 -[UIApplication _run] + 887
45  UIKitCore                     	       0x194984710 UIApplicationMain + 339
46  AppName                    	       0x10402bba8 0x10401c000 + 64424
47  dyld                          	       0x1b5be6d44 start + 2103

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Answer 1

Piepants OP

Oct ’23

Thread 0 name:   Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0   libsystem_kernel.dylib        	       0x1da57effc __pthread_kill + 8
1   libsystem_pthread.dylib       	       0x1fc97e680 pthread_kill + 267
2   libsystem_c.dylib             	       0x19a587c24 __abort + 135
3   libsystem_c.dylib             	       0x19a587b9c abort + 191
4   libc++abi.dylib               	       0x1fc8ab660 abort_message + 131
5   libc++abi.dylib               	       0x1fc89b62c demangling_terminate_handler() + 347
6   libobjc.A.dylib               	       0x18a952d34 _objc_terminate() + 143
7   AppName                    	       0x1042eb73c 0x10401c000 + 2946876
8   libc++abi.dylib               	       0x1fc8aaa24 std::__terminate(void (*)()) + 15
9   libc++abi.dylib               	       0x1fc8aa9c8 std::terminate() + 55
10  libdispatch.dylib             	       0x19a4cf314 _dispatch_client_callout + 39
11  libdispatch.dylib             	       0x19a4d2d48 _dispatch_block_invoke_direct + 283
12  FrontBoardServices            	       0x1ab071520 __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ + 51
13  FrontBoardServices            	       0x1ab0714a0 -[FBSMainRunLoopSerialQueue _targetQueue_performNextIfPossible] + 239
14  FrontBoardServices            	       0x1ab071378 -[FBSMainRunLoopSerialQueue _performNextFromRunLoopSource] + 27
15  CoreFoundation                	       0x19256d31c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 27
16  CoreFoundation                	       0x19256c598 __CFRunLoopDoSource0 + 175
17  CoreFoundation                	       0x19256adac __CFRunLoopDoSources0 + 339
18  CoreFoundation                	       0x192569a88 __CFRunLoopRun + 827
19  CoreFoundation                	       0x192569668 CFRunLoopRunSpecific + 607
20  GraphicsServices              	       0x1d648f5ec GSEventRunModal + 163
21  UIKitCore                     	       0x1949850d4 -[UIApplication _run] + 887
22  UIKitCore                     	       0x194984710 UIApplicationMain + 339
23  AppName                    	       0x10402bba8 0x10401c000 + 64424
24  dyld                          	       0x1b5be6d44 start + 2103

Binary Images:
       0x10542c000 -        0x10543ffff GAXClient arm64e  <353bdba9434d3c5b8a82de8e5e74d5a2> /System/Library/AccessibilityBundles/GAXClient.bundle/GAXClient
       0x105574000 -        0x10557ffff libobjc-trampolines.dylib arm64e  <004cd10c9ab53df6b6afa18ad3e128c8> /private/preboot/Cryptexes/OS/usr/lib/libobjc-trampolines.dylib
       0x105ec0000 -        0x106047fff Localytics arm64  <57f63126fd363ca8ad56e45fb98aa6bd> /private/var/containers/Bundle/Application/4C76D1A7-8928-4DF0-88C7-BD010288065A/AppName.app/Frameworks/Localytics.framework/Localytics
       0x1064dc000 -        0x1067b7fff hermes arm64  <f7fb66253d503d7f8dc7a13c98af70b5> /private/var/containers/Bundle/Application/4C76D1A7-8928-4DF0-88C7-BD010288065A/AppName.app/Frameworks/hermes.framework/hermes
       0x1054c4000 -        0x1054d3fff VZWAuthentication arm64  <ce6c158ef799336887607ad8d6570fa3> /private/var/containers/Bundle/Application/4C76D1A7-8928-4DF0-88C7-BD010288065A/AppName.app/Frameworks/AuthenticationFramework.framework/AuthFramework
       0x10401c000 -        0x104ecffff AppName arm64  <90f94d4853e93f61ad0b346331cc683f> /private/var/containers/Bundle/Application/4C76D1A7-8928-4DF0-88C7-BD010288065A/AppName.app/AppName
       0x1da575000 -        0x1da5adfef libsystem_kernel.dylib arm64e  <36e0966de3773b848f140f9f9457883b> /usr/lib/system/libsystem_kernel.dylib
       0x1fc979000 -        0x1fc984ff3 libsystem_pthread.dylib arm64e  <401a83f2bf5a302886a14fbee2c12777> /usr/lib/system/libsystem_pthread.dylib
       0x19a512000 -        0x19a58fff3 libsystem_c.dylib arm64e  <4f87531c494b3bc980b2488da8a939c2> /usr/lib/system/libsystem_c.dylib
       0x1fc89a000 -        0x1fc8b1fff libc++abi.dylib arm64e  <36326474e3b532408985f554caa59001> /usr/lib/libc++abi.dylib
       0x18a924000 -        0x18a971f00 libobjc.A.dylib arm64e  <4af3b26f95f53a0cbe43ddd978e6bc2f> /usr/lib/libobjc.A.dylib
       0x19a4cb000 -        0x19a511fff libdispatch.dylib arm64e  <584bc1890c3438fd85af5549557a0477> /usr/lib/system/libdispatch.dylib
       0x1ab067000 -        0x1ab12afff FrontBoardServices arm64e  <aa4b67f162713df5abb5af16d156d636> /System/Library/PrivateFrameworks/FrontBoardServices.framework/FrontBoardServices
       0x192536000 -        0x192a62fff CoreFoundation arm64e  <bcc5f0ee1e5d30968d7090e2dc70bb2e> /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
       0x1d648c000 -        0x1d6494fff GraphicsServices arm64e  <4ce552d027b0384dab489f0291e6f5b3> /System/Library/PrivateFrameworks/GraphicsServices.framework/GraphicsServices
       0x194758000 -        0x19621afff UIKitCore arm64e  <e7f0ae8eca1b357da26de6ef1e13a11b> /System/Library/PrivateFrameworks/UIKitCore.framework/UIKitCore
       0x1b5be1000 -        0x1b5c6811f dyld arm64e  <f51894e0fd563e7cb3cf89c2cd2fd103> /usr/lib/dyld
               0x0 - 0xffffffffffffffff ??? unknown-arch  <00000000000000000000000000000000> ???
       0x1fc8cf000 -        0x1fc8d5fe7 libsystem_platform.dylib arm64e  <844fd362557831dbb9d313a46ba1ead6> /usr/lib/system/libsystem_platform.dylib
       0x1914d4000 -        0x19203bfff Foundation arm64e  <f69d66c48b9739a180ea9bcdda941dc0> /System/Library/Frameworks/Foundation.framework/Foundation
       0x1fc9bc000 -        0x1fca00fff libxpc.dylib arm64e  <ddbc8304de693bb0aeced42e5800ae9a> /usr/lib/system/libxpc.dylib
       0x192a63000 -        0x193603fff Network arm64e  <82c70443e2e03451a6a20358abb4ac27> /System/Library/Frameworks/Network.framework/Network
       0x19d508000 -        0x19d590ffb SystemConfiguration arm64e  <148f139f7d4b34b3803ffef400d401cd> /System/Library/Frameworks/SystemConfiguration.framework/SystemConfiguration
       0x1ff9a3000 -        0x200178ff7 ANECompiler arm64e  <aabd194f688c3a319b39a33f814b252b> /System/Library/PrivateFrameworks/ANECompiler.framework/ANECompiler
       0x193604000 -        0x1939ddfff CFNetwork arm64e  <a915beb89d1c3e88a3141bbead9832ca> /System/Library/Frameworks/CFNetwork.framework/CFNetwork

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