我的应用程序有时因为RestKit而崩溃，然后我查看了Crashlytics记录。它显示以下错误：
Crashed: com.apple.main-thread
0 libsystem_kernel.dylib 0x181c52014 __pthread_kill + 8
1 libsystem_pthread.dylib 0x181d19460 pthread_kill + 112
2 libsystem_c.dylib 0x181bc63f4 abort + 140
3 libsystem_malloc.dylib 0x181c96a38 _nano_vet_and_size_of_live + 330
4 libsystem_malloc.dylib 0x181c9804c nano_realloc + 648
5 libsystem_malloc.dylib 0x181c8a258 malloc_zone_realloc + 180
6 Foundation 0x1836a7e28 -[NSString quotedStringRepresentation] + 732
7 Foundation 0x183687cfc -[NSString _stringRepresentation] + 376
8 CoreFoundation 0x182bacc9c -[NSDictionary descriptionWithLocale:indent:] + 1028
9 Foundation 0x1836623a4 _NSDescriptionWithLocaleFunc + 76
10 CoreFoundation 0x182c45958 __CFStringAppendFormatCore + 7996
11 CoreFoundation 0x182c439e4 _CFStringCreateWithFormatAndArgumentsAux2 + 244
12 CoreData 0x184fbaa78 PFLog + 168
13 CoreData 0x184f885ec -[NSManagedObjectContext(_NSInternalAdditions) _didSaveChanges] + 2824
14 CoreData 0x184f74a0c -[NSManagedObjectContext save:] + 3440
15 RestKit 0x101939228 __84-[RKManagedObjectRequestOperation saveContextToPersistentStore:failedContext:error:]_block_invoke (RKManagedObjectRequestOperation.m:800)
16 CoreData 0x184ff7b68 developerSubmittedBlockToNSManagedObjectContextPerform + 152
17 libdispatch.dylib 0x181b0d1c0 _dispatch_client_callout + 16
18 libdispatch.dylib 0x181b1e0c4 _dispatch_barrier_sync_f_slow_invoke + 320
19 libdispatch.dylib 0x181b0d1c0 _dispatch_client_callout + 16
20 libdispatch.dylib 0x181b11d6c _dispatch_main_queue_callback_4CF + 1000
21 CoreFoundation 0x182c31f2c __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 12
22 CoreFoundation 0x182c2fb18 __CFRunLoopRun + 1660
23 CoreFoundation 0x182b5e048 CFRunLoopRunSpecific + 444
24 GraphicsServices 0x1845e1198 GSEventRunModal + 180
25 UIKit 0x188b38628 -[UIApplication _run] + 684
26 UIKit 0x188b33360 UIApplicationMain + 208
27 WayfairApp 0x100169fbc main (main.m:22)
28 libdispatch.dylib 0x181b405b8 (Missing)
这几乎发生在ios10上。我不知道这是什么问题，所以我在网上搜索但找不到任何答案。任何熟悉RestKit的人都可以帮助我吗？