请帮忙！我的xamarin IOS应用程序在某些设备上崩溃了。该应用程序可从App Store获得，并且可以正常运行，但有申请崩溃的申请。我无法弄清楚原因是什么。如果有人知道如何解密这些徽标，请回复。 有我的.crash文件：
Incident Identifier: 854558AB-E175-4A50-ACC0-9BA892F25AA3
CrashReporter Key: 5086dbbd061185ea7331aafe74879503a9e3532f
Hardware Model: iPhone9,3
Process: MyAppiOS [1254]
Path: /private/var/containers/Bundle/Application/051ABEFA-746C-4D88-B0CA-00B2525802F3/MyAppiOS.app/MyAppiOS
Identifier: my.mobile
Version: 81 (3.2.3)
Code Type: ARM-64 (Native)
Role: Foreground
Parent Process: launchd [1]
Coalition: my.mobile [656]
.......
Exception Type: EXC_BAD_ACCESS (SIGABRT)
Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000000
VM Region Info: 0 is not in any region. Bytes before following region: 4309762048
REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL
UNUSED SPACE AT START
--->
__TEXT 0000000100e1c000-0000000100e20000 [ 16K] r-x/r-x SM=COW ...pp/MyAppiOS
Triggered by Thread: 0
Last Exception Backtrace:
0 CoreFoundation 0x185c7e364 __exceptionPreprocess + 124 (NSException.m:166)
1 libobjc.A.dylib 0x184ec4528 objc_exception_throw + 56 (objc-exception.mm:521)
2 CoreFoundation 0x185c7e2ac +[NSException raise:format:] + 116 (NSException.m:141)
3 UIKit 0x18f60f098 -[UIToolbar setTranslatesAutoresizingMaskIntoConstraints:] + 80 (UIToolbar.m:529)
4 MyAppiOS 0x1012639ec 0x100e1c000 + 4487660
5 MyAppiOS 0x1012e5db8 0x100e1c000 + 5021112
6 MyAppiOS 0x101d6c8d8 0x100e1c000 + 16058584
7 MyAppiOS 0x100eb9f5c 0x100e1c000 + 647004
8 MyAppiOS 0x100fefac4 0x100e1c000 + 1915588
9 MyAppiOS 0x101e36c3c 0x100e1c000 + 16886844
10 MyAppiOS 0x101eb2334 0x100e1c000 + 17392436
11 MyAppiOS 0x101eb2294 0x100e1c000 + 17392276
12 MyAppiOS 0x100e20204 0x100e1c000 + 16900
13 MyAppiOS 0x100e2b104 0x100e1c000 + 61700
14 UIKit 0x18f234ae8 -[UIViewController loadViewIfRequired] + 1040 (UIViewController.m:3133)
15 UIKit 0x18f2dbf70 -[UINavigationController _updateScrollViewFromViewController:toViewController:] + 76 (UINavigationController.m:6345)
16 UIKit 0x18f2db410 -[UINavigationController _startTransition:fromViewController:toViewController:] + 196 (UINavigationController.m:6380)
17 UIKit 0x18f2dae14 -[UINavigationController _startDeferredTransitionIfNeeded:] + 1168 (UINavigationController.m:6601)
18 UIKit 0x18f2da890 -[UINavigationController __viewWillLayoutSubviews] + 164 (UINavigationController.m:6872)
19 UIKit 0x18f2da790 -[UILayoutContainerView layoutSubviews] + 188 (UILayoutContainerView.m:87)
20 UIKit 0x1a4ecdc18 -[UILayoutContainerViewAccessibility layoutSubviews] + 52 (UILayoutContainerViewAccessibility.m:114)
21 UIKit 0x18f231f00 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 1276 (UIView.m:15124)
22 QuartzCore 0x189cc1998 -[CALayer layoutSublayers] + 184 (CALayer.mm:9302)
23 QuartzCore 0x189cc5b20 CA::Layer::layout_if_needed(CA::Transaction*) + 332 (CALayer.mm:9182)
24 QuartzCore 0x189c3236c CA::Context::commit_transaction(CA::Transaction*) + 336 (CALayer.mm:2416)
25 QuartzCore 0x189c59b90 CA::Transaction::commit() + 540 (CATransactionInternal.mm:425)
26 QuartzCore 0x189c5a9d0 CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 92 (CATransactionInternal.mm:795)
27 CoreFoundation 0x185c25edc __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 32 (CFRunLoop.c:1824)
28 CoreFoundation 0x185c23894 __CFRunLoopDoObservers + 412 (CFRunLoop.c:1934)
29 CoreFoundation 0x185c23e50 __CFRunLoopRun + 1292 (CFRunLoop.c:2948)
30 CoreFoundation 0x185b43e58 CFRunLoopRunSpecific + 436 (CFRunLoop.c:3245)
31 GraphicsServices 0x1879f0f84 GSEventRunModal + 100 (GSEvent.c:2245)
32 UIKit 0x18f29867c UIApplicationMain + 236 (UIApplication.m:3956)
33 MyAppiOS 0x101270700 0x100e1c000 + 4540160
34 MyAppiOS 0x1012d6584 0x100e1c000 + 4957572
35 MyAppiOS 0x100eafb7c 0x100e1c000 + 605052
36 MyAppiOS 0x100fefac4 0x100e1c000 + 1915588
37 MyAppiOS 0x101e36c3c 0x100e1c000 + 16886844
38 MyAppiOS 0x101eb2334 0x100e1c000 + 17392436
39 MyAppiOS 0x101eb55d8 0x100e1c000 + 17405400
40 MyAppiOS 0x101e1a124 0x100e1c000 + 16769316
41 MyAppiOS 0x101f6a904 0x100e1c000 + 18147588
42 MyAppiOS 0x100e55208 0x100e1c000 + 233992
43 libdyld.dylib 0x18566056c start + 4
Thread 0 name:
Thread 0 Crashed:
0 libsystem_kernel.dylib 0x00000001857902e8 __pthread_kill + 8
1 libsystem_pthread.dylib 0x00000001858a52f8 pthread_kill$VARIANT$mp + 396 (pthread.c:1484)
2 libsystem_c.dylib 0x00000001856ff060 __abort + 152 (abort.c:128)
3 libsystem_c.dylib 0x00000001856fefc8 abort + 152 (abort.c:99)
4 MyAppiOS 0x0000000101f63bc4 0x100e1c000 + 18119620
5 MyAppiOS 0x0000000101e6eda4 0x100e1c000 + 17116580
6 MyAppiOS 0x0000000101e26eb8 0x100e1c000 + 16821944
7 MyAppiOS 0x0000000101e25cc8 0x100e1c000 + 16817352
8 MyAppiOS 0x0000000101e1d8d8 0x100e1c000 + 16783576
9 MyAppiOS 0x0000000101011008 0x100e1c000 + 2052104
10 MyAppiOS 0x0000000101f63a10 0x100e1c000 + 18119184
11 MyAppiOS 0x0000000101271284 0x100e1c000 + 4543108
12 CoreFoundation 0x0000000185c7e6d8 __handleUncaughtException + 628 (NSException.m:219)
13 libobjc.A.dylib 0x0000000184ec4804 _objc_terminate() + 112 (objc-exception.mm:656)
14 libc++abi.dylib 0x0000000184eb454c std::__terminate(void (*)()) + 16 (cxa_handlers.cpp:66)
15 libc++abi.dylib 0x0000000184eb3ea8 __cxa_throw + 136 (cxa_exception.cpp:130)
16 libobjc.A.dylib 0x0000000184ec465c objc_exception_throw + 364 (objc-exception.mm:546)
17 CoreFoundation 0x0000000185c7e2ac +[NSException raise:format:] + 116 (NSException.m:141)
18 UIKit 0x000000018f60f098 -[UIToolbar setTranslatesAutoresizingMaskIntoConstraints:] + 80 (UIToolbar.m:529)
19 MyAppiOS 0x00000001012639ec 0x100e1c000 + 4487660
20 MyAppiOS 0x00000001012e5db8 0x100e1c000 + 5021112
21 MyAppiOS 0x0000000101d6c8d8 0x100e1c000 + 16058584
22 MyAppiOS 0x0000000100eb9f5c 0x100e1c000 + 647004
23 MyAppiOS 0x0000000100fefac4 0x100e1c000 + 1915588
24 MyAppiOS 0x0000000101e36c3c 0x100e1c000 + 16886844
25 MyAppiOS 0x0000000101eb2334 0x100e1c000 + 17392436
26 MyAppiOS 0x0000000101eb2294 0x100e1c000 + 17392276
27 MyAppiOS 0x0000000100e20204 0x100e1c000 + 16900
28 MyAppiOS 0x0000000100e2b104 0x100e1c000 + 61700
29 UIKit 0x000000018f234ae8 -[UIViewController loadViewIfRequired] + 1040 (UIViewController.m:3133)
30 UIKit 0x000000018f2dbf70 -[UINavigationController _updateScrollViewFromViewController:toViewController:] + 76 (UINavigationController.m:6345)
31 UIKit 0x000000018f2db410 -[UINavigationController _startTransition:fromViewController:toViewController:] + 196 (UINavigationController.m:6380)
32 UIKit 0x000000018f2dae14 -[UINavigationController _startDeferredTransitionIfNeeded:] + 1168 (UINavigationController.m:6601)
33 UIKit 0x000000018f2da890 -[UINavigationController __viewWillLayoutSubviews] + 164 (UINavigationController.m:6872)
34 UIKit 0x000000018f2da790 -[UILayoutContainerView layoutSubviews] + 188 (UILayoutContainerView.m:87)
35 UIKit 0x00000001a4ecdc18 -[UILayoutContainerViewAccessibility layoutSubviews] + 52 (UILayoutContainerViewAccessibility.m:114)
36 UIKit 0x000000018f231f00 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 1276 (UIView.m:15124)
37 QuartzCore 0x0000000189cc1998 -[CALayer layoutSublayers] + 184 (CALayer.mm:9302)
38 QuartzCore 0x0000000189cc5b20 CA::Layer::layout_if_needed(CA::Transaction*) + 332 (CALayer.mm:9182)
39 QuartzCore 0x0000000189c3236c CA::Context::commit_transaction(CA::Transaction*) + 336 (CALayer.mm:2416)
40 QuartzCore 0x0000000189c59b90 CA::Transaction::commit() + 540 (CATransactionInternal.mm:425)
41 QuartzCore 0x0000000189c5a9d0 CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 92 (CATransactionInternal.mm:795)
42 CoreFoundation 0x0000000185c25edc __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 32 (CFRunLoop.c:1824)
43 CoreFoundation 0x0000000185c23894 __CFRunLoopDoObservers + 412 (CFRunLoop.c:1934)
44 CoreFoundation 0x0000000185c23e50 __CFRunLoopRun + 1292 (CFRunLoop.c:2948)
45 CoreFoundation 0x0000000185b43e58 CFRunLoopRunSpecific + 436 (CFRunLoop.c:3245)
46 GraphicsServices 0x00000001879f0f84 GSEventRunModal + 100 (GSEvent.c:2245)
47 UIKit 0x000000018f29867c UIApplicationMain + 236 (UIApplication.m:3956)
48 MyAppiOS 0x0000000101270700 0x100e1c000 + 4540160
49 MyAppiOS 0x00000001012d6584 0x100e1c000 + 4957572
50 MyAppiOS 0x0000000100eafb7c 0x100e1c000 + 605052
51 MyAppiOS 0x0000000100fefac4 0x100e1c000 + 1915588
52 MyAppiOS 0x0000000101e36c3c 0x100e1c000 + 16886844
53 MyAppiOS 0x0000000101eb2334 0x100e1c000 + 17392436
54 MyAppiOS 0x0000000101eb55d8 0x100e1c000 + 17405400
55 MyAppiOS 0x0000000101e1a124 0x100e1c000 + 16769316
56 MyAppiOS 0x0000000101f6a904 0x100e1c000 + 18147588
57 MyAppiOS 0x0000000100e55208 0x100e1c000 + 233992
58 libdyld.dylib 0x000000018566056c start + 4
Thread 1 name:
Thread 1:
0 libsystem_kernel.dylib 0x0000000185790d80 __workq_kernreturn + 8
1 libsystem_pthread.dylib 0x00000001858a3080 _pthread_wqthread + 1288 (pthread.c:0)
2 libsystem_pthread.dylib 0x00000001858a2b6c start_wqthread + 4
Thread 2 name:
Thread 2:
0 libsystem_kernel.dylib 0x00000001857900f0 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x00000001858a6ce4 _pthread_cond_wait$VARIANT$mp + 640 (pthread_cond.c:579)
2 MyAppiOS 0x0000000101f32424 0x100e1c000 + 17916964
3 libsystem_pthread.dylib 0x00000001858a42b4 _pthread_body + 308 (pthread.c:740)
4 libsystem_pthread.dylib 0x00000001858a4180 _pthread_start + 312 (pthread.c:799)
5 libsystem_pthread.dylib 0x00000001858a2b74 thread_start + 4