Some users report errors with my app, but I can't solve the problem. This is one of the logs they sent me.
The app crash on startup on iOS 12 but on iOS 13 it works correctly. I can't identify what part of the code causes this bug
Someone can help me understand the error log? Thank a lot
Here is the text of the symbolicated .crash file
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Triggered by Thread: 0
Last Exception Backtrace:
0 CoreFoundation 0x20230aab8 __exceptionPreprocess + 232
1 libobjc.A.dylib 0x20150fd00 objc_exception_throw + 59
2 CoreFoundation 0x2022102f4 +[NSException raise:format:] + 119
3 UIFoundation 0x20cc8c628 UINibDecoderDecodeObjectForValue + 427
4 UIFoundation 0x20cc8c9ac UINibDecoderDecodeObjectForValue + 1327
5 UIFoundation 0x20cc2a8fc -[UINibDecoder decodeObjectForKey:] + 319
6 UIKitCore 0x22fbbb9e0 -[UIView initWithCoder:] + 631
7 UIKitCore 0x22fb68354 -[UIScrollView initWithCoder:] + 87
8 UIKitCore 0x22fa6a4dc -[UITextView initWithCoder:] + 75
9 UIFoundation 0x20cc8c768 UINibDecoderDecodeObjectForValue + 747
10 UIFoundation 0x20cc8c9ac UINibDecoderDecodeObjectForValue + 1327
11 UIFoundation 0x20cc2a8fc -[UINibDecoder decodeObjectForKey:] + 319
12 UIKitCore 0x22fbbb9e0 -[UIView initWithCoder:] + 631
13 UIFoundation 0x20cc8c768 UINibDecoderDecodeObjectForValue + 747
14 UIFoundation 0x20cc2a8fc -[UINibDecoder decodeObjectForKey:] + 319
15 UIKitCore 0x22eee9a30 -[UIVisualEffectView initWithCoder:] + 579
16 UIFoundation 0x20cc8c768 UINibDecoderDecodeObjectForValue + 747
17 UIFoundation 0x20cc8c9ac UINibDecoderDecodeObjectForValue + 1327
18 UIFoundation 0x20cc2a8fc -[UINibDecoder decodeObjectForKey:] + 319
19 UIKitCore 0x22fbbb9e0 -[UIView initWithCoder:] + 631
20 UIFoundation 0x20cc8c768 UINibDecoderDecodeObjectForValue + 747
21 UIFoundation 0x20cc2a8fc -[UINibDecoder decodeObjectForKey:] + 319
22 UIKitCore 0x22f3dcd48 -[UIRuntimeConnection initWithCoder:] + 139
23 UIKitCore 0x22f3dd530 -[UIRuntimeOutletCollectionConnection initWithCoder:] + 67
24 UIFoundation 0x20cc8c768 UINibDecoderDecodeObjectForValue + 747
25 UIFoundation 0x20cc8c9ac UINibDecoderDecodeObjectForValue + 1327
26 UIFoundation 0x20cc2a8fc -[UINibDecoder decodeObjectForKey:] + 319
27 UIKitCore 0x22f3da558 -[UINib instantiateWithOwner:options:] + 1123
28 UIKitCore 0x22f163ba4 -[UIViewController _loadViewFromNibNamed:bundle:] + 375
29 UIKitCore 0x22f16458c -[UIViewController loadView] + 179
30 UIKitCore 0x22f164868 -[UIViewController loadViewIfRequired] + 183
31 UIKitCore 0x22f0d19b0 -[UINavigationController _updateScrollViewFromViewController:toViewController:] + 79
32 UIKitCore 0x22f0d1cc0 -[UINavigationController _startTransition:fromViewController:toViewController:] + 175
33 UIKitCore 0x22f0d2c04 -[UINavigationController _startDeferredTransitionIfNeeded:] + 1115
34 UIKitCore 0x22f0d3edc -[UINavigationController __viewWillLayoutSubviews] + 167
35 UIKitCore 0x22f0b65bc -[UILayoutContainerView layoutSubviews] + 227
36 UIKitCore 0x22fbeb0a0 -[UIView+ 14340256 (CALayerDelegate) layoutSublayersOfLayer:] + 1307
37 libobjc.A.dylib 0x20150b454 -[NSObject performSelector:withObject:] + 67
38 QuartzCore 0x2068e3db4 -[CALayer layoutSublayers] + 187
39 QuartzCore 0x2068e40a0 CA::Layer::layout_if_needed+ 1319072 (CA::Transaction*) + 335
40 QuartzCore 0x20684b17c CA::Context::commit_transaction+ 692604 (CA::Transaction*) + 343
41 QuartzCore 0x20687a218 CA::Transaction::commit+ 885272 () + 659
42 UIKitCore 0x22f74f164 __34-[UIApplication _firstCommitBlock]_block_invoke_2 + 127
43 CoreFoundation 0x20229a98c __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 27
44 CoreFoundation 0x20229a274 __CFRunLoopDoBlocks + 275
45 CoreFoundation 0x202295074 __CFRunLoopRun + 1007
46 CoreFoundation 0x202294964 CFRunLoopRunSpecific + 451
47 GraphicsServices 0x2044d5d8c GSEventRunModal + 107
48 UIKitCore 0x22f735758 UIApplicationMain + 215
49 Reflex 0x1043d4e7c main + 1265276 (main.m:14)
50 libdyld.dylib 0x201d50fd8 start + 3
Thread 0 Crashed:
0 libsystem_kernel.dylib 0x0000000201e9d0cc __pthread_kill + 8
1 libsystem_c.dylib 0x0000000201df614c abort + 144
2 libc++abi.dylib 0x00000002014f7f78 __cxa_bad_cast + 0
3 libc++abi.dylib 0x00000002014f813c default_unexpected_handler+ 8508 () + 0
4 libobjc.A.dylib 0x0000000201510144 _objc_terminate+ 24900 () + 124
5 libc++abi.dylib 0x00000002015049cc std::__terminate(void (*)+ 59852 ()) + 20
6 libc++abi.dylib 0x00000002015045c4 __cxa_rethrow + 148
7 libobjc.A.dylib 0x000000020150fee0 objc_exception_rethrow + 48
8 CoreFoundation 0x00000002022949d0 CFRunLoopRunSpecific + 560
9 GraphicsServices 0x00000002044d5d8c GSEventRunModal + 108
10 UIKitCore 0x000000022f735758 UIApplicationMain + 216
11 Reflex 0x00000001043d4e7c main + 1265276 (main.m:14)
12 libdyld.dylib 0x0000000201d50fd8 start + 4