Traceback form question

admin(9320): [----- Traceback ------]
admin(9320): Traceback (most recent call last):
admin(9320):   File "/usr/local/mailman/scripts/driver", line 101, in run_main
admin(9320):     main()
admin(9320):   File "/usr/local/mailman/Mailman/Cgi/subscribe.py", line 96, in main
admin(9320):     process_form(mlist, doc, cgidata, language)
admin(9320):   File "/usr/local/mailman/Mailman/Cgi/subscribe.py", line 222, in process_form
admin(9320):     form.recordAnswer(email, 2, essay_str, 3)
admin(9320):   File "/usr/local/mailman/Mailman/DlistUtils.py", line 53, in inner
admin(9320):     result = f(self,*args)
admin(9320):   File "/usr/local/mailman/Mailman/DlistUtils.py", line 324, in recordAnswer
admin(9320):     formQuestionID = self.store.find(FormQuestion).max(FormQuestion.form_question_id)
admin(9320):   File "/usr/lib/python2.5/site-packages/storm/store.py", line 192, in find
admin(9320):     self.flush()
admin(9320):   File "/usr/lib/python2.5/site-packages/storm/store.py", line 443, in flush
admin(9320):     self._flush_one(obj_info)
admin(9320):   File "/usr/lib/python2.5/site-packages/storm/store.py", line 477, in _flush_one
admin(9320):     result = self._connection.execute(expr)
admin(9320):   File "/usr/lib/python2.5/site-packages/storm/databases/postgres.py", line 249, in execute
admin(9320):     result = Connection.execute(self, Returning(statement), params)
admin(9320):   File "/usr/lib/python2.5/site-packages/storm/database.py", line 202, in execute
admin(9320):     self.raw_execute, statement, params)
admin(9320):   File "/usr/lib/python2.5/site-packages/storm/database.py", line 317, in _check_disconnect
admin(9320):     return function(*args, **kwargs)
admin(9320):   File "/usr/lib/python2.5/site-packages/storm/databases/postgres.py", line 265, in raw_execute
admin(9320):     return Connection.raw_execute(self, statement, params)
admin(9320):   File "/usr/lib/python2.5/site-packages/storm/database.py", line 283, in raw_execute
admin(9320):     raw_cursor.execute(statement, params)
admin(9320): IntegrityError: null value in column "form_question_id" violates not-null constraint