id,summary,reporter,owner,description,type,status,priority,component,severity,resolution,keywords,cc,release 9722,'NoneType' object is unsubscriptable,anonymous,Ryan J Ollos,"Sometimes, the following error occurs: {{{ 2012-01-22 12:06:23,170 Trac[main] ERROR: Exception caught while post-processing request: Traceback (most recent call last): File ""build/bdist.linux-x86_64/egg/trac/web/main.py"", line 270, in dispatch self._post_process_request(req) File ""build/bdist.linux-x86_64/egg/trac/web/main.py"", line 359, in _post_process_request f.post_process_request(req, *(None,)*extra_arg_count) File ""build/bdist.linux-x86_64/egg/simpleticket/web_ui.py"", line 40, in post_process_request data['fields'] = [f for f in data['fields'] if f['name'] not in self.fields] TypeError: 'NoneType' object is unsubscriptable }}} A solution is to add “if f is not None” to the array comprehensions on lines 38 and 40 before it tries to use `f['name']`.",defect,closed,normal,SimpleTicketPlugin,normal,fixed,,,0.12