Cannot modify topic after it has been posted.
Traceback (most recent call last):
File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 451, in dispatch_request
dispatcher.dispatch(req)
File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 265, in dispatch
resp = chosen_handler.process_request(req)
File "build/bdist.linux-x86_64/egg/tracforums/web_ui.py", line 278, in process_request
File "build/bdist.linux-x86_64/egg/tracforums/models/topic.py", line 423, in validateSave
File "/usr/lib/python2.4/site-packages/trac/db/util.py", line 50, in execute
return self.cursor.execute(sql_escape_percent(sql), args)
TypeError: not all arguments converted during string formatting
