此问题已在此处iphone app crash bad access exception DataDetectorsCore processToken之前在stackoverflow上被询问，但没有人给出答案。有人可以帮帮我吗。任何提示或建议表示赞赏。这是我从crashlytic提供的原始数据。
Thread : com.crashlytics.analytics.high-priority
0 libsystem_kernel.dylib 0x3927fad4 semaphore_wait_trap + 8
1 libdispatch.dylib 0x391ccde5 _dispatch_semaphore_wait_slow + 176
2 UIKit 0x30d0bba3 _addBackgroundTask + 558
3 UIKit 0x30d151a7 -[UIApplication beginBackgroundTaskWithExpirationHandler:] + 14
4 MyApp 0x0014652b -[CLSAnalyticsController maintainSessionFragments:]
5 MyApp 0x001463b3 -[CLSAnalyticsController maintainSessionFragmentsIgnoringError]
6 MyApp 0x00143ceb -[CLSAnalyticsController handlePriorityTriggeredMaintainSessionFragmentForEvent:]
7 MyApp 0x00143fc3 __35-[CLSAnalyticsController logEvent:]_block_invoke
8 libdispatch.dylib 0x391c70af _dispatch_client_callout + 22
9 libdispatch.dylib 0x391cb8f3 _dispatch_barrier_sync_f_invoke + 26
10 MyApp 0x00143b89 -[CLSAnalyticsController dispatchToQueue:asynchronous:block:]
11 MyApp 0x00143f07 -[CLSAnalyticsController logEvent:]
12 MyApp 0x00143c5b -[CLSAnalyticsController applicationLifecycleEvent:]
13 CoreFoundation 0x2e4fde71 __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 12
14 CoreFoundation 0x2e471ab1 _CFXNotificationPost + 1720
15 Foundation 0x2ee57ec5 -[NSNotificationCenter postNotificationName:object:userInfo:] + 72
16 UIKit 0x30d25fd5 -[UIApplication _deactivateForReason:notify:] + 460
17 UIKit 0x30cc5b4b -[UIApplication handleEvent:withNewEvent:] + 3466
18 UIKit 0x30cc4cfd -[UIApplication sendEvent:] + 72
19 UIKit 0x30d2a321 _UIApplicationHandleEvent + 664
20 GraphicsServices 0x3317e76d _PurpleEventCallback + 608
21 CoreFoundation 0x2e506f1f __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 14
22 CoreFoundation 0x2e5063e7 __CFRunLoopDoSources0 + 206
23 CoreFoundation 0x2e504bd7 __CFRunLoopRun + 630
24 CoreFoundation 0x2e46f471 CFRunLoopRunSpecific + 524
25 CoreFoundation 0x2e46f253 CFRunLoopRunInMode + 106
26 GraphicsServices 0x3317d2eb GSEventRunModal + 138
27 UIKit 0x30d24845 UIApplicationMain + 1136
28 MyApp 0x000617e7 main (main.m:16)