I'm getting the following crash report in Crashlytics:
0 libobjc.A.dylib
objc_msgSend + 16
1 StoreKit
-[SKStoreProductViewController _didFinish] + 68
2 CoreFoundation
___invoking___ + 144
3 CoreFoundation
-[NSInvocation invoke] + 284
4 FrontBoardServices
___FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ + 36
5 FrontBoardServices
-[FBSSerialQueue _performNext] + 176
6 FrontBoardServices
-[FBSSerialQueue _performNextFromRunLoopSource] + 56
7 CoreFoundation
___CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
8 CoreFoundation
___CFRunLoopDoSources0 + 524
9 CoreFoundation
___CFRunLoopRun + 804
10 CoreFoundation
CFRunLoopRunSpecific + 444
11 GraphicsServices
GSEventRunModal + 180
12 UIKit
-[UIApplication _run] + 684
13 UIKit
UIApplicationMain + 208
14 PingAnData
main (main.m:14)
0 libobjc.A.dylib
objc_msgSend + 5
1 StoreKit
-[SKStoreProductViewController _resetRemoteViewController] + 249
2 UIKit
___57-[_UIRemoteViewController _terminateUnconditionallyThen:]_block_invoke_3 + 285
3 libdispatch.dylib
__dispatch_call_block_and_release + 11
4 libdispatch.dylib
__dispatch_client_callout + 23
5 libdispatch.dylib
__dispatch_main_queue_callback_4CF$VARIANT$mp + 1525
6 CoreFoundation
___CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9
7 CoreFoundation
___CFRunLoopRun + 1575
8 CoreFoundation
CFRunLoopRunSpecific + 520
9 CoreFoundation
CFRunLoopRunInMode + 108
10 GraphicsServices
GSEventRunModal + 160
11 UIKit
UIApplicationMain + 144
12 PingAnData
main (main.m:14)