Weird Crash

gistfile1.txt

ate/Time:       2013-10-14 11:42:09.570 -0700
OS Version:      Mac OS X 10.8.5 (12F45)
Report Version:  10

Interval Since Last Report:          595073 sec
Crashes Since Last Report:           1
Per-App Interval Since Last Report:  45 sec
Per-App Crashes Since Last Report:   1
Anonymous UUID:                      2009981E-AF47-32A9-CE93-9BCEB9A5C8C9

Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: EXC_I386_GPFLT

Application Specific Information:
objc_msgSend() selector name: isKindOfClass:


Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   libobjc.A.dylib                 0x00007fff8b72a4d0 objc_msgSend_vtable4 + 16
1   com.apple.AppKit              	0x00007fff8d8eea5e -[NSView _endEditingIfFirstResponderIsASubview] + 81
2   com.apple.AppKit              	0x00007fff8d8ee17e -[NSView removeFromSuperview] + 133
3   com.apple.AppKit              	0x00007fff8da26147 -[NSButtonCell _removeTitleTextField] + 62
4   com.apple.AppKit              	0x00007fff8da26058 -[NSButtonCell layoutLayerWithFrame:inView:] + 332
5   com.apple.AppKit              	0x00007fff8da25d77 -[NSControl layout] + 92
6   com.apple.AppKit              	0x00007fff8daa6e85 -[NSView setLayer:] + 1386
7   com.apple.AppKit              	0x00007fff8d8e0ad5 -[NSView _setWindow:] + 722
8   com.apple.AppKit              	0x00007fff8d8f1270 -[NSControl _setWindow:] + 159
9   com.apple.AppKit              	0x00007fff8d8f1124 -[NSButton _setWindow:] + 51
10  com.apple.CoreFoundation      	0x00007fff94bcb4a6 __NSArrayEnumerate + 582
11  com.apple.AppKit              	0x00007fff8d8e12c4 -[NSView _setWindow:] + 2753
12  com.apple.CoreFoundation      	0x00007fff94bcb4a6 __NSArrayEnumerate + 582
13  com.apple.AppKit              	0x00007fff8d8e12c4 -[NSView _setWindow:] + 2753
14  com.apple.CoreFoundation      	0x00007fff94bcb4a6 __NSArrayEnumerate + 582
15  com.apple.AppKit              	0x00007fff8d8e12c4 -[NSView _setWindow:] + 2753
16  com.apple.CoreFoundation      	0x00007fff94bcb4a6 __NSArrayEnumerate + 582
17  com.apple.AppKit              	0x00007fff8d8e12c4 -[NSView _setWindow:] + 2753
18  com.apple.AppKit              	0x00007fff8d9b0fd0 -[NSScrollView _setWindow:] + 227
19  com.apple.CoreFoundation      	0x00007fff94bcb4a6 __NSArrayEnumerate + 582
20  com.apple.AppKit              	0x00007fff8d8e12c4 -[NSView _setWindow:] + 2753
21  com.apple.CoreFoundation      	0x00007fff94bcb4a6 __NSArrayEnumerate + 582
22  com.apple.AppKit              	0x00007fff8d8e12c4 -[NSView _setWindow:] + 2753
23  com.apple.CoreFoundation      	0x00007fff94bcb4a6 __NSArrayEnumerate + 582
24  com.apple.AppKit              	0x00007fff8d8e12c4 -[NSView _setWindow:] + 2753
25  com.apple.CoreFoundation      	0x00007fff94bcb4a6 __NSArrayEnumerate + 582
26  com.apple.AppKit              	0x00007fff8d8e12c4 -[NSView _setWindow:] + 2753
27  com.apple.CoreFoundation      	0x00007fff94bcb4a6 __NSArrayEnumerate + 582
28  com.apple.AppKit              	0x00007fff8d8e12c4 -[NSView _setWindow:] + 2753
29  com.apple.AppKit              	0x00007fff8da1ab38 -[NSWindow dealloc] + 1235
30  com.apple.Foundation          	0x00007fff8bef5267 NSKVODeallocate + 95
31  com.apple.AppKit              	0x00007fff8d8dea48 -[NSWindow release] + 174
32  libsystem_blocks.dylib        	0x00007fff96d806a3 _Block_release + 202
33  libdispatch.dylib             	0x00007fff95b630b6 _dispatch_client_callout + 8
34  libdispatch.dylib             	0x00007fff95b680c8 _dispatch_main_queue_callback_4CF + 275
35  com.apple.CoreFoundation      	0x00007fff94b74b4c __CFRunLoopRun + 1644
36  com.apple.CoreFoundation      	0x00007fff94b740e2 CFRunLoopRunSpecific + 290
37  com.apple.HIToolbox           	0x00007fff92a0beb4 RunCurrentEventLoopInMode + 209
38  com.apple.HIToolbox           	0x00007fff92a0bb94 ReceiveNextEventCommon + 166
39  com.apple.HIToolbox           	0x00007fff92a0bae3 BlockUntilNextEventMatchingListInMode + 62
40  com.apple.AppKit              	0x00007fff8d917533 _DPSNextEvent + 685
41  com.apple.AppKit              	0x00007fff8d916df2 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 128
42  com.apple.AppKit              	0x00007fff8d90e1a3 -[NSApplication run] + 517
43  com.apple.AppKit              	0x00007fff8d8b2bd6 NSApplicationMain + 869
44  libdyld.dylib                 	0x00007fff8f8f07e1 start + 1