我收到了一个崩溃日志，其中包含一个我无法重现的错误。我得到的信息只是在登录后发生，所以我猜它是在主屏幕上。如果该日志包含有用信息的任何想法？
Incident Identifier: xx-1698-4F90-BFE4-xx
CrashReporter Key: xxx
Hardware Model: xxx
Process: aaa [10980]
Path: /private/var/mobile/Containers/Bundle/Application/1A877BC6-4BEF-4EC0-8734-9B1A8A51A0AB/aaa.app/aaa
Identifier: aaa.ios
Version: 2 (1.02)
Code Type: ARM-64 (Native)
Parent Process: launchd [1]
Date/Time: 2016-03-01 10:10:04.04 -0800
Launch Time: 2016-03-01 10:09:19.19 -0800
OS Version: iOS 9.2.1 (13D15)
Report Version: 105
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Triggered by Thread: 0
Filtered syslog:
None found
Last Exception Backtrace:
0 CoreFoundation 0x180e45900 __exceptionPreprocess + 124
1 libobjc.A.dylib 0x1804b3f80 objc_exception_throw + 56
2 CoreFoundation 0x180d341a8 -[__NSPlaceholderDictionary initWithObjects:forKeys:count:] + 324
3 CoreFoundation 0x180d34040 +[NSDictionary dictionaryWithObjects:forKeys:count:] + 64
4 app_name 0x100056ef8 0x100040000 + 93944
5 app_name 0x100057904 0x100040000 + 96516
6 UIKit 0x185b380c0 -[UIViewController loadViewIfRequired] + 996
7 UIKit 0x185bf7da8 -[UINavigationController _layoutViewController:] + 72
8 UIKit 0x185bf7c80 -[UINavigationController _updateScrollViewFromViewController:toViewController:] + 416
9 UIKit 0x185bf6ec8 -[UINavigationController _startTransition:fromViewController:toViewController:] + 144
10 UIKit 0x185bf6a6c -[UINavigationController _startDeferredTransitionIfNeeded:] + 868
11 UIKit 0x185bf6694 -[UINavigationController __viewWillLayoutSubviews] + 60
12 UIKit 0x185bf65fc -[UILayoutContainerView layoutSubviews] + 208
13 UIKit 0x185b33778 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 656
14 QuartzCore 0x183542b2c -[CALayer layoutSublayers] + 148
15 QuartzCore 0x18353d738 CA::Layer::layout_if_needed(CA::Transaction*) + 292
16 QuartzCore 0x18353d5f8 CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 32
17 QuartzCore 0x18353cc94 CA::Context::commit_transaction(CA::Transaction*) + 252
18 QuartzCore 0x18353c9dc CA::Transaction::commit() + 512
19 QuartzCore 0x1835360cc CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 80
20 CoreFoundation 0x180dfc588 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 32
21 CoreFoundation 0x180dfa32c __CFRunLoopDoObservers + 372
22 CoreFoundation 0x180dfa75c __CFRunLoopRun + 928
23 CoreFoundation 0x180d29680 CFRunLoopRunSpecific + 384
24 GraphicsServices 0x182238088 GSEventRunModal + 180
25 UIKit 0x185ba0d90 UIApplicationMain + 204
26 app_name 0x1000780c4 0x100040000 + 229572
27 libdyld.dylib 0x1808ca8b8 start + 4