Thread 0 Crashed:
0 de.wengenmayer.MWM 0x00af98b0 -[MWMnGon undoRecordedArrays::] + 496
1 com.apple.CoreFoundation 0x915e0a3d __invoking___ + 29
2 com.apple.CoreFoundation 0x915e0428 -[NSInvocation invoke] + 136
3 com.apple.CoreFoundation 0x915e04f8 -[NSInvocation invokeWithTarget:] + 72
4 com.apple.Foundation 0x9406e8dc -[_NSUndoInvocation invoke] + 44
5 com.apple.Foundation 0x9406e644 -[_NSUndoStack popAndInvoke] + 244
6 com.apple.Foundation 0x9406e447 -[NSUndoManager undoNestedGroup] + 199
7 com.apple.AppKit 0x935d853b -[NSApplication sendAction:to:from:] + 112
8 com.apple.AppKit 0x9368717c -[NSMenu performActionForItemAtIndex:] + 493
9 com.apple.AppKit 0x93686e81 -[NSCarbonMenuImpl performActionWithHighlightingForItemAtIndex:] + 220
10 com.apple.AppKit 0x93686b07 -[NSMenu performKeyEquivalent:] + 866
11 com.apple.AppKit 0x936853ac -[NSApplication _handleKeyEquivalent:] + 492
12 com.apple.AppKit 0x935a216b -[NSApplication sendEvent:] + 3999
13 de.wengenmayer.Cheetah3D 0x00043c4b -[mwApplication sendEvent:] + 123
14 com.apple.AppKit 0x934ff69f -[NSApplication run] + 847
15 com.apple.AppKit 0x934cc8a4 NSApplicationMain + 574
16 de.wengenmayer.Cheetah3D 0x00002902 _start + 216
17 de.wengenmayer.Cheetah3D 0x00002829 start + 41