Game Center causing app crash

My app is crashing when Game Center is logged in, all is fine through the simulator and in sandbox mode on all devices. I have had some negative feedback regarding the crashes so have started to look through it. I thought it was solved so got the update out, but I was wrong.

I have this crash report from my phone but am some what baffled.

Version:             1.4 (1.4)
Code Type:           ARM (Native)
Parent Process:      launchd [1]

Date/Time:           2014-02-22 09:18:36.959 +0000
OS Version:          iOS 7.0.4 (11B554a)
Report Version:      104

Exception Type:  EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Triggered by Thread:  0

Last Exception Backtrace:
0   CoreFoundation                  0x311eff46 __exceptionPreprocess + 126
1   libobjc.A.dylib                 0x3b57f6aa objc_exception_throw + 34
2   CoreFoundation                  0x311f38e2 -[NSObject(NSObject) doesNotRecognizeSelector:] + 198
3   CoreFoundation                  0x311f21c6 ___forwarding___ + 702
4   CoreFoundation                  0x311414d4 __forwarding_prep_0___ + 20
5   CommanderCool                   0x000a13a2 0x67000 + 238498
6   CommanderCool                   0x00098a30 0x67000 + 203312
7   CommanderCool                   0x00098688 0x67000 + 202376
8   CommanderCool                   0x000886a6 0x67000 + 136870
9   CommanderCool                   0x0008a21a 0x67000 + 143898
10  CommanderCool                   0x0009f50a 0x67000 + 230666
11  CommanderCool                   0x00082316 0x67000 + 111382
12  CommanderCool                   0x0007fa6e 0x67000 + 100974
13  CommanderCool                   0x0008198c 0x67000 + 108940
14  CommanderCool                   0x00087160 0x67000 + 131424
15  CommanderCool                   0x000ce93e 0x67000 + 424254
16  CommanderCool                   0x000e000a 0x67000 + 495626
17  QuartzCore                      0x336399ca CA::Display::DisplayLinkItem::dispatch() + 94
18  QuartzCore                      0x33639774 CA::Display::DisplayLink::dispatch_items(unsigned long long, unsigned long long, unsigned long long) + 340
19  IOMobileFramebuffer             0x3621e768 IOMobileFramebufferVsyncNotifyFunc + 100
20  IOKit                           0x31ed1a70 IODispatchCalloutFromCFMessage + 244
21  CoreFoundation                  0x311afe1c __CFMachPortPerform + 132
22  CoreFoundation                  0x311ba9da __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 30
23  CoreFoundation                  0x311ba976 __CFRunLoopDoSource1 + 342
24  CoreFoundation                  0x311b914a __CFRunLoopRun + 1394
25  CoreFoundation                  0x31123c22 CFRunLoopRunSpecific + 518
26  CoreFoundation                  0x31123a06 CFRunLoopRunInMode + 102
27  GraphicsServices                0x35e0227e GSEventRunModal + 134
28  UIKit                           0x339c7044 UIApplicationMain + 1132
29  CommanderCool                   0x0009d31e 0x67000 + 221982
30  CommanderCool                   0x0006ef24 0x67000 + 32548


Thread 0 Crashed:
0   libsystem_kernel.dylib          0x3bb3e1fc __pthread_kill + 8
1   libsystem_pthread.dylib         0x3bba7a2e pthread_kill + 54
2   libsystem_c.dylib               0x3baeeff8 abort + 72
3   libc++abi.dylib                 0x3ae1dcd2 abort_message + 70
4   libc++abi.dylib                 0x3ae366e0 default_terminate_handler() + 248
5   libobjc.A.dylib                 0x3b57f91e _objc_terminate() + 190
6   libc++abi.dylib                 0x3ae341c4 std::__terminate(void (*)()) + 76
7   libc++abi.dylib                 0x3ae33d28 __cxa_rethrow + 96
8   libobjc.A.dylib                 0x3b57f7f2 objc_exception_rethrow + 38
9   CoreFoundation                  0x31123c98 CFRunLoopRunSpecific + 636
10  CoreFoundation                  0x31123a06 CFRunLoopRunInMode + 102
11  GraphicsServices                0x35e0227e GSEventRunModal + 134
12  UIKit                           0x339c7044 UIApplicationMain + 1132
13  CommanderCool                   0x0009d31e 0x67000 + 221982
14  CommanderCool                   0x0006ef24 0x67000 + 32548

Thread 1:
0   libsystem_kernel.dylib          0x3bb2b83c kevent64 + 24
1   libdispatch.dylib               0x3ba76e08 _dispatch_mgr_invoke + 228
2   libdispatch.dylib               0x3ba6639e _dispatch_mgr_thread$VARIANT$up + 34

Thread 2:
0   libsystem_kernel.dylib          0x3bb3ec7c __workq_kernreturn + 8
1   libsystem_pthread.dylib         0x3bba4dc6 _pthread_wqthread + 306
2   libsystem_pthread.dylib         0x3bba4c80 start_wqthread + 4

Thread 3:
0   libsystem_kernel.dylib          0x3bb3ec7c __workq_kernreturn + 8
1   libsystem_pthread.dylib         0x3bba4dc6 _pthread_wqthread + 306
2   libsystem_pthread.dylib         0x3bba4c80 start_wqthread + 4

Thread 4:
0   libsystem_kernel.dylib          0x3bb2ba8c mach_msg_trap + 20
1   libsystem_kernel.dylib          0x3bb2b888 mach_msg + 44
2   CoreFoundation                  0x311ba7be __CFRunLoopServiceMachPort + 150
3   CoreFoundation                  0x311b8ee4 __CFRunLoopRun + 780
4   CoreFoundation                  0x31123c22 CFRunLoopRunSpecific + 518
5   CoreFoundation                  0x31123a06 CFRunLoopRunInMode + 102
6   libAVFAudio.dylib               0x301a6584 GenericRunLoopThread::Entry(void*) + 124
7   libAVFAudio.dylib               0x3019a99c CAPThread::Entry(CAPThread*) + 176
8   libsystem_pthread.dylib         0x3bba6c1a _pthread_body + 138
9   libsystem_pthread.dylib         0x3bba6b8a _pthread_start + 98
10  libsystem_pthread.dylib         0x3bba4c8c thread_start + 4

Thread 5:
0   libsystem_kernel.dylib          0x3bb2ba8c mach_msg_trap + 20
1   libsystem_kernel.dylib          0x3bb2b888 mach_msg + 44
2   AudioToolbox                    0x30ba5116 AURemoteIO::IOThread::Run() + 102
3   AudioToolbox                    0x30ba8348 AURemoteIO::IOThread::Entry(void*) + 4
4   AudioToolbox                    0x30ae5ba8 CAPThread::Entry(CAPThread*) + 208
5   libsystem_pthread.dylib         0x3bba6c1a _pthread_body + 138
6   libsystem_pthread.dylib         0x3bba6b8a _pthread_start + 98
7   libsystem_pthread.dylib         0x3bba4c8c thread_start + 4

Thread 6:
0   libsystem_kernel.dylib          0x3bb2ba8c mach_msg_trap + 20
1   libsystem_kernel.dylib          0x3bb2b888 mach_msg + 44
2   CoreFoundation                  0x311ba7be __CFRunLoopServiceMachPort + 150
3   CoreFoundation                  0x311b8ee4 __CFRunLoopRun + 780
4   CoreFoundation                  0x31123c22 CFRunLoopRunSpecific + 518
5   CoreFoundation                  0x31123a06 CFRunLoopRunInMode + 102
6   AudioToolbox                    0x30aff754 GenericRunLoopThread::Entry(void*) + 124
7   AudioToolbox                    0x30ae5ba8 CAPThread::Entry(CAPThread*) + 208
8   libsystem_pthread.dylib         0x3bba6c1a _pthread_body + 138
9   libsystem_pthread.dylib         0x3bba6b8a _pthread_start + 98
10  libsystem_pthread.dylib         0x3bba4c8c thread_start + 4

Thread 7 name:  com.apple.NSURLConnectionLoader
Thread 7:
0   libsystem_kernel.dylib          0x3bb2ba8c mach_msg_trap + 20
1   libsystem_kernel.dylib          0x3bb2b888 mach_msg + 44
2   CoreFoundation                  0x311ba7be __CFRunLoopServiceMachPort + 150
3   CoreFoundation                  0x311b8ee4 __CFRunLoopRun + 780
4   CoreFoundation                  0x31123c22 CFRunLoopRunSpecific + 518
5   CoreFoundation                  0x31123a06 CFRunLoopRunInMode + 102
6   Foundation                      0x31b5e2f2 +[NSURLConnection(Loader) _resourceLoadLoop:] + 314
7   Foundation                      0x31bd3c82 __NSThread__main__ + 1058
8   libsystem_pthread.dylib         0x3bba6c1a _pthread_body + 138
9   libsystem_pthread.dylib         0x3bba6b8a _pthread_start + 98
10  libsystem_pthread.dylib         0x3bba4c8c thread_start + 4

Thread 8 name:  com.apple.CFSocket.private
Thread 8:
0   libsystem_kernel.dylib          0x3bb3e440 select$DARWIN_EXTSN + 20
1   CoreFoundation                  0x311be680 __CFSocketManager + 480
2   libsystem_pthread.dylib         0x3bba6c1a _pthread_body + 138
3   libsystem_pthread.dylib         0x3bba6b8a _pthread_start + 98
4   libsystem_pthread.dylib         0x3bba4c8c thread_start + 4

Thread 0 crashed with ARM Thread State (32-bit):
    r0: 0x00000000    r1: 0x00000000      r2: 0x00000000      r3: 0x00002060
    r4: 0x00000006    r5: 0x3d77b18c      r6: 0x00000000      r7: 0x27d9c594
    r8: 0x1550f940    r9: 0x00000001     r10: 0x0022fc14     r11: 0x00000000
    ip: 0x00000148    sp: 0x27d9c588      lr: 0x3bba7a33      pc: 0x3bb3e1fc
  cpsr: 0x00000010

Binary Images:

Left out images as file was too big.

I'm using DDGameKitHelper and GKAchievementNotification to handle the game center notifications.