I have received the following crash log from Firebase Crashlytics but could not identify the exact reason. It's happing on iOS devices having os version above 15.0.
Crashed: com.apple.main-thread
0 libswiftCore.dylib 0x3da990 swift_getObjectType + 40
1 libswiftUIKit.dylib 0x9674 thunk for @escaping @callee_guaranteed (@guaranteed UITableView, @in_guaranteed IndexPath, @in_guaranteed Any) -> (@owned UITableViewCell?) + 192
2 UIKitCore 0x3e81c -[__UIDiffableDataSource collectionView:cellForItemAtIndexPath:] + 188
3 libswiftUIKit.dylib 0x2dc8 UICollectionViewDiffableDataSource.collectionView(_:cellForItemAt:) + 80
4 libswiftUIKit.dylib 0x2c0c @objc UICollectionViewDiffableDataSource.collectionView(_:cellForItemAt:) + 224
5 UIKitCore 0x32b0f4 -[UICollectionView _createPreparedCellForItemAtIndexPath:withLayoutAttributes:applyAttributes:isFocused:notify:] + 1148
6 UIKitCore 0x2255f0 -[UICollectionView _updateVisibleCellsNow:] + 4372
7 UIKitCore 0x179c4c -[UICollectionView layoutSubviews] + 320
8 UIKitCore 0x18c17c -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 2592
9 QuartzCore 0x407fc CA::Layer::layout_if_needed(CA::Transaction*) + 532
10 QuartzCore 0x32c60 CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 136
11 QuartzCore 0x475b4 CA::Context::commit_transaction(CA::Transaction*, double, double*) + 452
12 QuartzCore 0x504a8 CA::Transaction::commit() + 704
13 UIKitCore 0x165b2c _afterCACommitHandler + 88
14 CoreFoundation 0x410c4 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 36
15 CoreFoundation 0x10080 __CFRunLoopDoObservers + 592
16 CoreFoundation 0xb13c __CFRunLoopRun + 1052
17 CoreFoundation 0x1ebc8 CFRunLoopRunSpecific + 600
18 GraphicsServices 0x1374 GSEventRunModal + 164
19 UIKitCore 0x514b58 -[UIApplication _run] + 1100
20 UIKitCore 0x296090 UIApplicationMain + 364
21 libswiftUIKit.dylib 0x30ecc UIApplicationMain(_:_:_:_:) + 104
22 Adastria 0xd640 main + 4295185984 (TagListView.swift:4295185984)
23 ??? 0x10513dda4 (Missing)
Thread
0 libsystem_kernel.dylib 0x1a74 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x1108 _pthread_wqthread + 364
2 libsystem_pthread.dylib 0xe5c start_wqthread + 8
com.apple.uikit.eventfetch-thread
0 libsystem_kernel.dylib 0x14a0 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x1ae4 mach_msg + 76
2 CoreFoundation 0x6d30 __CFRunLoopServiceMachPort + 372
3 CoreFoundation 0xb1bc __CFRunLoopRun + 1180
4 CoreFoundation 0x1ebc8 CFRunLoopRunSpecific + 600
5 Foundation 0x19444 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 236
6 Foundation 0x5ae0c -[NSRunLoop(NSRunLoop) runUntilDate:] + 92
7 UIKitCore 0x48ecc4 -[UIEventFetcher threadMain] + 524
8 Foundation 0x6941c __NSThread__start__ + 808
9 libsystem_pthread.dylib 0x19ac _pthread_start + 148
10 libsystem_pthread.dylib 0xe68 thread_start + 8
Thread
0 libsystem_kernel.dylib 0x1a74 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x1108 _pthread_wqthread + 364
2 libsystem_pthread.dylib 0xe5c start_wqthread + 8
com.google.firebase.crashlytics.MachExceptionServer
0 FirebaseCrashlytics 0x1eee4 FIRCLSProcessRecordAllThreads + 184
1 FirebaseCrashlytics 0x1f2c4 FIRCLSProcessRecordAllThreads + 1176
2 FirebaseCrashlytics 0x16518 FIRCLSHandler + 48
3 FirebaseCrashlytics 0x18cd8 FIRCLSMachExceptionServer + 688
4 libsystem_pthread.dylib 0x19ac _pthread_start + 148
5 libsystem_pthread.dylib 0xe68 thread_start + 8
Thread
0 libsystem_kernel.dylib 0x1a74 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x1108 _pthread_wqthread + 364
2 libsystem_pthread.dylib 0xe5c start_wqthread + 8
com.apple.NSURLConnectionLoader
0 libsystem_kernel.dylib 0x14a0 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x1ae4 mach_msg + 76
2 CoreFoundation 0x6d30 __CFRunLoopServiceMachPort + 372
3 CoreFoundation 0xb1bc __CFRunLoopRun + 1180
4 CoreFoundation 0x1ebc8 CFRunLoopRunSpecific + 600
5 CFNetwork 0x2781dc _CFURLStorageSessionDisableCache + 60032
6 Foundation 0x6941c __NSThread__start__ + 808
7 libsystem_pthread.dylib 0x19ac _pthread_start + 148
8 libsystem_pthread.dylib 0xe68 thread_start + 8
WebThread
0 libsystem_kernel.dylib 0x1f24 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x8298 _pthread_cond_wait + 1236
2 JavaScriptCore 0x49d08 ***::ParkingLot::parkConditionallyImpl(void const*, ***::ScopedLambda<bool ()> const&, ***::ScopedLambda<void ()> const&, ***::TimeWithDynamicClockType const&) + 2076
3 JavaScriptCore 0x3a5e4 ***::LockAlgorithm<unsigned char, (unsigned char)1, (unsigned char)2, ***::EmptyLockHooks<unsigned char> >::lockSlow(***::Atomic<unsigned char>&) + 216
4 WebCore 0xbe7228 <redacted> + 280
5 WebCore 0xbea0e8 <redacted> + 48
6 CoreFoundation 0x410c4 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 36
7 CoreFoundation 0x10080 __CFRunLoopDoObservers + 592
8 CoreFoundation 0xb30c __CFRunLoopRun + 1516
9 CoreFoundation 0x1ebc8 CFRunLoopRunSpecific + 600
10 WebCore 0xbe9d9c <redacted> + 760
11 libsystem_pthread.dylib 0x19ac _pthread_start + 148
12 libsystem_pthread.dylib 0xe68 thread_start + 8
AVAudioSession Notify Thread
0 libsystem_kernel.dylib 0x14a0 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x1ae4 mach_msg + 76
2 CoreFoundation 0x6d30 __CFRunLoopServiceMachPort + 372
3 CoreFoundation 0xb1bc __CFRunLoopRun + 1180
4 CoreFoundation 0x1ebc8 CFRunLoopRunSpecific + 600
5 AudioSession 0x6f04 CADeprecated::GenericRunLoopThread::Entry(void*) + 164
6 AudioSession 0x108f0 CADeprecated::CAPThread::Entry(CADeprecated::CAPThread*) + 92
7 libsystem_pthread.dylib 0x19ac _pthread_start + 148
8 libsystem_pthread.dylib 0xe68 thread_start + 8
Thread
0 libsystem_kernel.dylib 0x1a74 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x1108 _pthread_wqthread + 364
2 libsystem_pthread.dylib 0xe5c start_wqthread + 8
