According to Gerd Knops:
Once you got this and restart TM you should see the CodeBrowser window.
TextMate refuses to run and crash after installing CodeBrowser. Panther 10.3.9.
2005-10-26 12:26:58.235 TextMate[7022] InputManagersManager startup 2005-10-26 12:26:58.242 TextMate[7022] InputManagersManager: TextMate: loading /Volumes/Users/roberto/Library/InputManagersManager/TextMate/TmCodeBrowser2.IMMbundle 2005-10-26 12:26:58.324 TextMate[7022] TmCodeBrowser2 loaded, app is TextMate 2005-10-26 12:26:58.431 TextMate[7022] An uncaught exception was raised 2005-10-26 12:26:58.432 TextMate[7022] *** -[NSKeyedUnarchiver decodeObjectForKey:]: cannot decode object of class (NSTreeController) 2005-10-26 12:26:58.432 TextMate[7022] *** Uncaught exception: <NSInvalidUnarchiveOperationException> *** -[NSKeyedUnarchiver decodeObjectForKey:]: cannot decode object of class (NSTreeController)