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Help with strange NSInvalidArgumentException

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Help with strange NSInvalidArgumentException

Subject: Help with strange NSInvalidArgumentException
From: Sean McBride <email@hidden>
Date: Tue, 17 Jul 2012 15:46:08 -0400
Organization: Rogue Research Inc.

Hi all,

I've had two customer reports of the exception below.  My code is not in the backtrace, so I'm not sure how to figure this one out.  Anyone recognise anything here?


NSInvalidArgumentException

+[NSInvocation invocationWithMethodSignature:]: method signature argument cannot be nil

	0   CoreFoundation                      0x00007fff86cee7b4 __exceptionPreprocess + 180
	1   libobjc.A.dylib                     0x00007fff87f36f03 objc_exception_throw + 45
	2   CoreFoundation                      0x00007fff86cc2b8d +[NSInvocation invocationWithMethodSignature:] + 493
	3   CoreData                            0x00007fff81cadb42 -[NSManagedObjectContext(NSEditorAndEditorRegistration) _sendCommitEditingSelectorToTarget:sender:selector:flag:contextInfo:delayed:] + 82
	4   CoreData                            0x00007fff81cb06e3 -[NSManagedObjectContext(NSEditorAndEditorRegistration) _managedObjectContextEditor:didCommit:contextInfo:] + 115
	5   AppKit                              0x00007fff802b0411 _NSSendCommitEditingSelector + 61
	6   AppKit                              0x00007fff802b1d7f -[NSController _controllerEditor:didCommit:contextInfo:] + 199
	7   CoreFoundation                      0x00007fff86cc396c __invoking___ + 140
	8   CoreFoundation                      0x00007fff86cc383d -[NSInvocation invoke] + 141
	9   CoreFoundation                      0x00007fff86cdf711 -[NSInvocation invokeWithTarget:] + 49
	10  Foundation                          0x00007fff80fee33c __NSFireDelayedPerform + 404
	11  CoreFoundation                      0x00007fff86c8abe8 __CFRunLoopRun + 6488
	12  CoreFoundation                      0x00007fff86c88dbf CFRunLoopRunSpecific + 575
	13  HIToolbox                           0x00007fff826897ee RunCurrentEventLoopInMode + 333
	14  HIToolbox                           0x00007fff826895f3 ReceiveNextEventCommon + 310
	15  HIToolbox                           0x00007fff826894ac BlockUntilNextEventMatchingListInMode + 59
	16  AppKit                              0x00007fff800edeb2 _DPSNextEvent + 708
	17  AppKit                              0x00007fff800ed801 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 155
	18  AppKit                              0x00007fff800b368f -[NSApplication run] + 395
	19  AppKit                              0x00007fff800ac3b0 NSApplicationMain + 364

Thanks,

--
Sean



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