0 libobjc.A.dylib lookUpImpOrForward + 136
1 libobjc.A.dylib _objc_msgSend_uncached + 64
2 Foundation probeGC + 124
3 Foundation -[NSConcreteMapTable grow] + 552
4 Foundation -[NSConcreteMapTable setObject:forKey:] + 180
5 UIKitCore _UIAnalyticsGatherMultitouchAnalytics + 548
6 UIKitCore -[UIApplication sendEvent:] + 208
7 UIKitCore __dispatchPreprocessedEventFromEventQueue + 5712
8 UIKitCore __handleEventQueueInternal + 4928
9 UIKitCore __handleHIDEventFetcherDrain + 112
10 CoreFoundation __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 28
11 CoreFoundation __CFRunLoopDoSource0 + 84
12 CoreFoundation __CFRunLoopDoSources0 + 184
13 CoreFoundation __CFRunLoopRun + 1068
14 CoreFoundation CFRunLoopRunSpecific + 480
15 GraphicsServices GSEventRunModal + 108
16 UIKitCore UIApplicationMain + 1940
17 MUBU main.m line
18 libdyld.dylib start + 4Same backtrace here. Only seeing this on iOS 13. The app uses Crashlytics
zhouyuan
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