Random crash at what appears to be at startup.

[pitAlex]

Hello, we've been started to get the following crash reported in our analytics:

Fatal Exception: NSInternalInconsistencyException
0 CoreFoundation 0x99d78 __exceptionPreprocess
1 libobjc.A.dylib 0x16734 objc_exception_throw
2 Foundation 0x1311f0 _userInfoForFileAndLine
3 UIKitCore 0x20c8d0 -[_UIEventDeferringManager _descriptorForCompatibility:environment:deferringToken:]
4 UIKitCore 0x852bac stateMachineSpec_block_invoke_21
5 UIKitCore 0x16d6ec handleEvent
6 UIKitCore 0x1cd350 -[_UIEventDeferringManager _processEventDeferringActions:actionsCount:inScope:forDeferringToken:environments:target:addingRecreationReason:removingRecreationReason:forReason:]
7 UIKitCore 0x854d98 -[_UIEventDeferringManager beginRemoteEventDeferringInEnvironments:forOwningInterfaceElement:toTarget:withReason:]
8 UIKitCore 0x313370 -[_UIRemoteViewController _setWantsEventDeferring:]
9 UIKitCore 0x121f7ac __99-[_UIRemoteViewController _serviceWantsKeyboardEventsWithPromotedFirstResponder:completionHandler:]_block_invoke
10 libdispatch.dylib 0x3a2c _dispatch_client_callout
11 libdispatch.dylib 0x74e0 _dispatch_block_invoke_direct
12 FrontBoardServices 0xbc70 FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK
13 FrontBoardServices 0xb040 -[FBSSerialQueue _targetQueue_performNextIfPossible]
14 FrontBoardServices 0xf700 -[FBSSerialQueue _performNextFromRunLoopSource]
15 CoreFoundation 0xbbf04 CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION
16 CoreFoundation 0xccc90 __CFRunLoopDoSource0
17 CoreFoundation 0x6184 __CFRunLoopDoSources0
18 CoreFoundation 0xbb4c __CFRunLoopRun
19 CoreFoundation 0x1f6b8 CFRunLoopRunSpecific
20 GraphicsServices 0x1374 GSEventRunModal
21 UIKitCore 0x513e88 -[UIApplication _run]
22 UIKitCore 0x2955ec UIApplicationMain
23 ********* 0x416c main + 32 (main.m:32)
24 ??? 0x104ea1ce4 (Missing)

We've been trying to understand what's going on, but no luck. Is anybody else facing this or has any idea what it might be?