我已经被这次撞车困住了几天，似乎无处可去。
Crashed: NSManagedObjectContext 0x14f016920
EXC_BAD_ACCESS KERN_INVALID_ADDRESS at 0x0000000000000010
Thread : Crashed: NSManagedObjectContext 0x14f016920
0 libobjc.A.dylib 0x000000019953dbd0 objc_msgSend + 16
1 CoreFoundation 0x0000000184969c84 __CFBasicHashDrain + 276
2 CoreFoundation 0x0000000184814da4 CFRelease + 256
3 CoreData 0x0000000184632cf0 -[_NSFaultingMutableSet dealloc] + 68
4 CoreData 0x00000001845f8d3c -[_CDSnapshot dealloc] + 84
5 CoreData 0x00000001846068e0 -[NSManagedObject(_NSInternalMethods) _clearRawPropertiesWithHint:] + 388
6 CoreData 0x00000001846066bc -[NSFaultHandler turnObject:intoFaultWithContext:] + 448
7 CoreData 0x0000000184603e10 -[NSManagedObject dealloc] + 104
8 CoreData 0x0000000184603428 -[_PFManagedObjectReferenceQueue _processReferenceQueue:] + 1076
9 CoreData 0x0000000184681678 __89-[NSManagedObjectContext(_NSInternalNotificationHandling) _registerAyncReferenceCallback]_block_invoke + 104
10 CoreData 0x000000018467bc20 developerSubmittedBlockToNSManagedObjectContextPerform + 196
11 libdispatch.dylib 0x0000000199d25770 _dispatch_client_callout + 16
12 libdispatch.dylib 0x0000000199d3175c _dispatch_queue_drain + 864
13 libdispatch.dylib 0x0000000199d29274 _dispatch_queue_invoke + 464
14 libdispatch.dylib 0x0000000199d25770 _dispatch_client_callout + 16
15 libdispatch.dylib 0x0000000199d33bb0 _dispatch_root_queue_drain + 2140
16 libdispatch.dylib 0x0000000199d3334c _dispatch_worker_thread3 + 112
17 libsystem_pthread.dylib 0x0000000199f39478 _pthread_wqthread + 1092
关于如何调试此崩溃的任何指示？在iOS 8中同样没有崩溃。这可能是iOS 9崩溃，希望它将在后续的iOS版本中得到修复吗？
非常感谢任何帮助。