iOS8 / iPhone6 XPC崩溃

这已经在所有具有各种更新的设备上工作了2年.现在我有一个iPhone 6 plus.

应用程序在新安装后第一次正常运行,但现在它一直崩溃并出现错误：

“XPC API Misuse: Given object not of required type”

这在它进入didFinishLaunchingWithOptions之前发生

调用堆栈：

线程0名称：XPC API滥用：给定对象不是必需类型.调度队列：com.apple.main-thread
线程0崩溃：
0 libxpc.dylib 0x0000000197dd99d8 _xpc_api_misuse 60
1 libxpc.dylib 0x0000000197dd99d4 _xpc_api_misuse 56
2 libxpc.dylib 0x0000000197dc9ae8 xpc_dictionary_set_value 88
3 libxpc.dylib 0x0000000197dc5538 xpc_dictionary_set_string 48
4 CoreFoundation 0x0000000186e4b590 _CFXNotificationRemoveObservers 912
5基础0x0000000187d1ff20 – [NSNotificationCenter removeObserver：name：object：] 252
6 UIKit 0x000000018b8588e4 – [UITableView dealloc] 96
7 UIKit 0x000000018b6bf510 – [UIView(Hierarchy)removeFromSuperview] 696
8 UIKit 0x000000018b79cb24 – [UIScrollView removeFromSuperview] 76
9 UIKit 0x000000018b6c219c – [UIView dealloc] 444
10 CoreFoundation 0x0000000186e217e4 CFRelease 520
11 CoreFoundation 0x0000000186e2dda4 – [__ NSArrayM dealloc] 148
12 libobjc.A.dylib 0x0000000197599720(匿名命名空间):: AutoreleasePoolPage :: pop(void *)560
13 CoreFoundation 0x0000000186e25400 _CFAutoreleasePoolPop 24
14基金会0x0000000187d1f180 – [NSAutoreleasePool release] 144
15 UIKit 0x000000018b72f9ac – [UIApplication _run] 584
16 UIKit 0x000000018b72a980 UIApplicationMain 1484
17 HelloWorld 0x000000010000636c main(main.m:16)
18 libdyld.dylib 0x0000000197beea04 start 0

有人可以帮忙吗？