我的应用程序遇到了一个奇怪的错误，我无法重现。我知道这个错误的存在是因为有些用户向我报告过，我可以使用Fabric SDK来捕获它。
显然，它发生在任何地点，在任何特定时间。它并没有发生太多，但它似乎偶尔会发生。我不知道从哪里开始寻找这个，因为我试图捕捉连接到我的xcode项目的多个设备上运行的错误，但它不会发生在我身上，或者至少在我寻找它时。有人可以给我一个亮点，从哪里开始寻找它？
堆栈跟踪：
Fatal Exception: NSInvalidArgumentException
0 CoreFoundation 0x18730afe0 __exceptionPreprocess
1 libobjc.A.dylib 0x185d6c538 objc_exception_throw
2 CoreFoundation 0x187311ef4 __methodDescriptionForSelector
3 CoreFoundation 0x18730ef54 ___forwarding___
4 CoreFoundation 0x18720ad4c _CF_forwarding_prep_0
5 Foundation 0x187dff50c __NSThreadPerformPerform
6 CoreFoundation 0x1872b942c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__
7 CoreFoundation 0x1872b8d04 __CFRunLoopDoSources0
8 CoreFoundation 0x1872b69a8 __CFRunLoopRun
9 CoreFoundation 0x1871e6da4 CFRunLoopRunSpecific
10 GraphicsServices 0x188c51074 GSEventRunModal
11 UIKit 0x18d49ac9c UIApplicationMain
12 Otelo 0x100230fc4 main (AppDelegate.swift:23)
13 libdyld.dylib 0x1861f559c start
Crashed: com.twitter.crashlytics.ios.exception
0 Otelo 0x1005bb308 CLSProcessRecordAllThreads + 1572
1 Otelo 0x1005bb308 CLSProcessRecordAllThreads + 1572
2 Otelo 0x1005bb1c4 CLSProcessRecordAllThreads + 1248
3 Otelo 0x1005aaa6c CLSHandler + 48
4 Otelo 0x1005b9110 __CLSExceptionRecord_block_invoke + 92
5 libdispatch.dylib 0x1861c29a0 _dispatch_client_callout + 16
6 libdispatch.dylib 0x1861cfee0 _dispatch_barrier_sync_f_invoke + 84
7 Otelo 0x1005b8ba4 CLSExceptionRecord + 212
8 Otelo 0x1005b89cc CLSExceptionRecordNSException + 548
9 Otelo 0x1005b85e0 CLSTerminateHandler() + 396
10 libc++abi.dylib 0x185d5b5d4 std::__terminate(void (*)()) + 16
11 libc++abi.dylib 0x185d5b1a8 __cxa_rethrow + 144
12 libobjc.A.dylib 0x185d6c6f8 objc_exception_rethrow + 44
13 CoreFoundation 0x1871e6e10 CFRunLoopRunSpecific + 532
14 GraphicsServices 0x188c51074 GSEventRunModal + 100
15 UIKit 0x18d49ac9c UIApplicationMain + 208
16 Otelo 0x100230fc4 main (AppDelegate.swift:23)
17 libdyld.dylib 0x1861f559c start + 4