IOS app crashes on startup after splash screen

App crashes immediately after displaying splash screen

App successfully compiles using remote build but crashes on startup once deployed on iOS.

Has since been tested with blank C++ project which returns the same error,
IOS crash log points to IOSAppDelegate MainAppThread line 247, Full crash log:

Incident Identifier: 12B748DD-9862-4A0B-943B-0C561CAA8FD7
CrashReporter Key:   6d5319dde4cf0c35091ec67b684f849298264748
Hardware Model:      iPhone8,1
Process:             AurochProject [299]
Path:                /private/var/containers/Bundle/Application/DD6A9AE2-4C85-43D9-B19A-14AE8FD5D76C/AurochProject.app/AurochProject
Identifier:          com.aurochdigital.AurochProjectdev
Version:             0.5 (0.1)
Code Type:           ARM-64 (Native)
Role:                Foreground
Parent Process:      launchd [1]
Coalition:           com.aurochdigital.AurochProjectdev [469]


Date/Time:           2019-11-11 13:31:07.6602 +0000
Launch Time:         2019-11-11 13:31:06.7383 +0000
OS Version:          iPhone OS 13.2.2 (17B102)
Release Type:        User
Baseband Version:    7.11.01
Report Version:      104

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note:  EXC_CORPSE_NOTIFY
Triggered by Thread:  8

Last Exception Backtrace:
0   CoreFoundation                	0x1b126580c __exceptionPreprocess + 220
1   libobjc.A.dylib               	0x1b0f8dfa4 objc_exception_throw + 55
2   CoreFoundation                	0x1b1167c4c +[NSException raise:format:arguments:] + 95
3   Foundation                    	0x1b159d6f4 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 127
4   FrontBoardServices            	0x1b63b3afc -[FBSSerialQueue assertOnQueue] + 227
5   FrontBoardServices            	0x1b6368f78 -[FBSSceneImpl updateClientSettings:withTransitionContext:] + 75
6   FrontBoardServices            	0x1b63691e0 -[FBSSceneImpl updateClientSettingsWithTransitionBlock:] + 159
7   FrontBoardServices            	0x1b63690e8 -[FBSSceneImpl updateClientSettingsWithBlock:] + 111
8   UIKitCore                     	0x1b4e62a90 -[FBSScene+ 5855888 (UIApp) updateUIClientSettingsWithBlock:] + 167
9   UIKitCore                     	0x1b52c3100 -[UIApplication _setIdleTimerDisabled:forReason:] + 207
10  AurochProject                         	0x10155f82c -[IOSAppDelegate MainAppThread:] + 247
11  Foundation                    	0x1b164e0c4 __NSThread__start__ + 847
12  libsystem_pthread.dylib       	0x1b0f821d0 _pthread_start + 123
13  libsystem_pthread.dylib       	0x1b0f85ae0 thread_start + 7


Thread 0 name:  Dispatch queue: com.apple.main-thread
Thread 0:
0   libsystem_kernel.dylib        	0x00000001b103c634 mach_msg_trap + 8
1   libsystem_kernel.dylib        	0x00000001b103baa0 mach_msg + 72
2   CoreFoundation                	0x00000001b11e304c __CFRunLoopServiceMachPort + 216
3   CoreFoundation                	0x00000001b11de16c __CFRunLoopRun + 1444
4   CoreFoundation                	0x00000001b11dd8a0 CFRunLoopRunSpecific + 464
5   GraphicsServices              	0x00000001bb135328 GSEventRunModal + 104
6   UIKitCore                     	0x00000001b52ce740 UIApplicationMain + 1936
7   AurochProject                         	0x00000001009fa6a0 main + 672
8   libdyld.dylib                 	0x00000001b1068360 start + 4

Thread 1:
0   libsystem_pthread.dylib       	0x00000001b0f85acc start_wqthread + 0

Thread 2:
0   libsystem_pthread.dylib       	0x00000001b0f85acc start_wqthread + 0

Thread 3:
0   libsystem_pthread.dylib       	0x00000001b0f85acc start_wqthread + 0

Thread 4:
0   libsystem_pthread.dylib       	0x00000001b0f85acc start_wqthread + 0

Thread 5:
0   libsystem_pthread.dylib       	0x00000001b0f85acc start_wqthread + 0

Thread 6:
0   libsystem_pthread.dylib       	0x00000001b0f85acc start_wqthread + 0

Thread 7 name:  com.apple.uikit.eventfetch-thread
Thread 7:
0   libsystem_kernel.dylib        	0x00000001b103c634 mach_msg_trap + 8
1   libsystem_kernel.dylib        	0x00000001b103baa0 mach_msg + 72
2   CoreFoundation                	0x00000001b11e304c __CFRunLoopServiceMachPort + 216
3   CoreFoundation                	0x00000001b11de16c __CFRunLoopRun + 1444
4   CoreFoundation                	0x00000001b11dd8a0 CFRunLoopRunSpecific + 464
5   Foundation                    	0x00000001b151d824 -[NSRunLoop+ 30756 (NSRunLoop) runMode:beforeDate:] + 228
6   Foundation                    	0x00000001b151d704 -[NSRunLoop+ 30468 (NSRunLoop) runUntilDate:] + 88
7   UIKitCore                     	0x00000001b5367158 -[UIEventFetcher threadMain] + 152
8   Foundation                    	0x00000001b164e0c4 __NSThread__start__ + 848
9   libsystem_pthread.dylib       	0x00000001b0f821d0 _pthread_start + 124
10  libsystem_pthread.dylib       	0x00000001b0f85ae0 thread_start + 8

Thread 8 Crashed:
0   libsystem_kernel.dylib        	0x00000001b105dec4 __pthread_kill + 8
1   libsystem_pthread.dylib       	0x00000001b0f79774 pthread_kill$VARIANT$mp + 112
2   libsystem_c.dylib             	0x00000001b0ecd844 abort + 100
3   libc++abi.dylib               	0x00000001b10267d4 __cxa_bad_cast + 0
4   libc++abi.dylib               	0x00000001b10269c4 demangling_unexpected_handler+ 6596 () + 0
5   libobjc.A.dylib               	0x00000001b0f8e258 _objc_terminate+ 25176 () + 124
6   libc++abi.dylib               	0x00000001b1033304 std::__terminate(void (*)+ 58116 ()) + 16
7   libc++abi.dylib               	0x00000001b1032c58 __cxa_get_exception_ptr + 0
8   libc++abi.dylib               	0x00000001b1032c18 __cxxabiv1::exception_cleanup_func+ 56344 (_Unwind_Reason_Code, _Unwind_Exception*) + 0
9   libobjc.A.dylib               	0x00000001b0f8e0d0 _objc_exception_destructor+ 24784 (void*) + 0
10  CoreFoundation                	0x00000001b1167c4c +[_CFXNotificationTokenRegistration keyCallbacks] + 0
11  Foundation                    	0x00000001b159d6f4 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 128
12  FrontBoardServices            	0x00000001b63b3afc -[FBSSerialQueue assertOnQueue] + 228
13  FrontBoardServices            	0x00000001b6368f78 -[FBSSceneImpl updateClientSettings:withTransitionContext:] + 76
14  FrontBoardServices            	0x00000001b63691e0 -[FBSSceneImpl updateClientSettingsWithTransitionBlock:] + 160
15  FrontBoardServices            	0x00000001b63690e8 -[FBSSceneImpl updateClientSettingsWithBlock:] + 112
16  UIKitCore                     	0x00000001b4e62a90 -[FBSScene+ 5855888 (UIApp) updateUIClientSettingsWithBlock:] + 168
17  UIKitCore                     	0x00000001b52c3100 -[UIApplication _setIdleTimerDisabled:forReason:] + 208
18  AurochProject                         	0x000000010155f82c -[IOSAppDelegate MainAppThread:] + 248
19  Foundation                    	0x00000001b164e0c4 __NSThread__start__ + 848
20  libsystem_pthread.dylib       	0x00000001b0f821d0 _pthread_start + 124
21  libsystem_pthread.dylib       	0x00000001b0f85ae0 thread_start + 8

Thread 9 name:  AVAudioSession Notify Thread
Thread 9:
0   libsystem_kernel.dylib        	0x00000001b103c634 mach_msg_trap + 8
1   libsystem_kernel.dylib        	0x00000001b103baa0 mach_msg + 72
2   CoreFoundation                	0x00000001b11e304c __CFRunLoopServiceMachPort + 216
3   CoreFoundation                	0x00000001b11de16c __CFRunLoopRun + 1444
4   CoreFoundation                	0x00000001b11dd8a0 CFRunLoopRunSpecific + 464
5   AVFAudio                      	0x00000001bdd6bc1c GenericRunLoopThread::Entry+ 420892 (void*) + 156
6   AVFAudio                      	0x00000001bddbcd60 CAPThread::Entry+ 752992 (CAPThread*) + 204
7   libsystem_pthread.dylib       	0x00000001b0f821d0 _pthread_start + 124
8   libsystem_pthread.dylib       	0x00000001b0f85ae0 thread_start + 8

Thread 8 crashed with ARM Thread State (64-bit):
    x0: 0x0000000000000000   x1: 0x0000000000000000   x2: 0x0000000000000000   x3: 0x0000000000000000
    x4: 0x00000001b10365d8   x5: 0x0000000170df92d0   x6: 0x000000000000006e   x7: 0xffffffffffffffec
    x8: 0x0000000170dfb000   x9: 0x00000001b0f7db40  x10: 0x00000001b0f79704  x11: 0x000000000000000b
   x12: 0x00000001e7fb5080  x13: 0x0000000000000001  x14: 0x0000000000000010  x15: 0x000000000000000d
   x16: 0x0000000000000148  x17: 0x0000000000000000  x18: 0x0000000000000000  x19: 0x0000000000000006
   x20: 0x0000000000005a07  x21: 0x0000000170df92d0  x22: 0x0000000170dfb0e0  x23: 0x00000002826c17c0
   x24: 0x0000000000000000  x25: 0x0000000000000000  x26: 0x0000000000000000  x27: 0x0000000000000000
   x28: 0x0000000000000000   fp: 0x0000000170df9230   lr: 0x00000001b0f79774
    sp: 0x0000000170df9210   pc: 0x00000001b105dec4 cpsr: 0x40000000
   esr: 0x56000080  Address size fault

do you use windows?

Built on Mac first then remote build using Windows 10, both return the same error

Works with Xcode 11 & UE4 4.23, but still doesn’t work with 4.22, the only solution we have found is to upgrade projects to the latest version.