Suddenly app crash on launch in IOS 15.6.1

Suddenly app crash on launch in iOS 15.6.1

Please post the full crash report. See Posting a Crash Report for advice on how to do that.

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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"

Hi Quinn can you help me check. this is full crash log

The crash report is so strange.

Consider this:

Triggered by Thread:  20

and then this:

Thread 20 Crashed:
0   libobjc.A.dylib         … objc_release_x0 + 16 (:-1)
1   libobjc.A.dylib         … AutoreleasePoolPage::releaseUntil(objc_object**) + 196 (NSObject.mm:938)
2   libobjc.A.dylib         … objc_autoreleasePoolPop + 256 (NSObject.mm:1208)
3   libobjc.A.dylib         … objc_tls_direct_base::dtor_(void*) + 168 (NSObject.mm:1441)
4   libsystem_pthread.dylib … _pthread_tsd_cleanup + 620 (pthread_tsd.c:300)
5   libsystem_pthread.dylib … _pthread_exit + 84 (pthread.c:1719)
6   libsystem_pthread.dylib … _pthread_start + 160 (pthread.c:893)
7   libsystem_pthread.dylib … thread_start + 8 (:-1)

The thread has crash because it’s trying to release an Objective-C object that’s not valid. Frames 2 through 1 indicate that this is the result of the autorelease pool draining. This is commonly caused by a memory management error resulting in an over release. If the object was in the autorelease pool then the over release works but then, later on, when the autorelease pool drains, it releases the object again and your crash.

For more background on this, see Objective-C Memory Management for Swift Programmers.

The best way to debug this is with zombies. For more details, see standard memory debugging tools.

Share and Enjoy
—
Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"