Traceback form question 2

admin(9548): Traceback (most recent call last):
admin(9548):   File "/usr/local/mailman/scripts/driver", line 101, in run_main
admin(9548):     main()
admin(9548):   File "/usr/local/mailman/Mailman/Cgi/subscribe.py", line 96, in main
admin(9548):     process_form(mlist, doc, cgidata, language)
admin(9548):   File "/usr/local/mailman/Mailman/Cgi/subscribe.py", line 224, in process_form
admin(9548):     form.recordAnswer(email, question_index, answer, 1)
admin(9548):   File "/usr/local/mailman/Mailman/DlistUtils.py", line 43, in inner
admin(9548):     result = f(self,*args)
admin(9548):   File "/usr/local/mailman/Mailman/DlistUtils.py", line 319, in recordAnswer
admin(9548):     self.user_id = userID
admin(9548):   File "/usr/lib/python2.5/site-packages/storm/properties.py", line 67, in __set__
admin(9548):     obj_info.variables[column].set(value)
admin(9548):   File "/usr/lib/python2.5/site-packages/storm/variables.py", line 202, in set
admin(9548):     self.event.emit("changed", self, old_value, value, from_db)
admin(9548):   File "/usr/lib/python2.5/site-packages/storm/event.py", line 64, in emit
admin(9548):     if callback(owner, *(args+data)) is False:
admin(9548):   File "/usr/lib/python2.5/site-packages/storm/store.py", line 798, in _variable_changed
admin(9548):     self._validate_alive(obj_info)
admin(9548):   File "/usr/lib/python2.5/site-packages/storm/store.py", line 601, in _validate_alive
admin(9548):     result = self._connection.execute(Select(SQLRaw("1"), where))
admin(9548):   File "/usr/lib/python2.5/site-packages/storm/databases/postgres.py", line 255, in execute
admin(9548):     return Connection.execute(self, statement, params, noresult)
admin(9548):   File "/usr/lib/python2.5/site-packages/storm/database.py", line 192, in execute
admin(9548):     raise ClosedError("Connection is closed")
admin(9548): ClosedError: Connection is closed