Trac currently not accepting new tickets

I’m trying to post a patch and trac is erroring with…

–trac error output –

Traceback (most recent call last):
File “/usr/local/lib/python2.4/site-packages/trac/web/main.py”, line
314, in dispatch_request
dispatcher.dispatch(req)
File “/usr/local/lib/python2.4/site-packages/trac/web/main.py”, line
199, in dispatch
resp = chosen_handler.process_request(req)
File “/usr/local/lib/python2.4/site-packages/trac/ticket/web_ui.py”,
line 109, in process_request
self._do_create(req, db)
File “/usr/local/lib/python2.4/site-packages/trac/ticket/web_ui.py”,
line 170, in _do_create
ticket.insert(db=db)
File “/usr/local/lib/python2.4/site-packages/trac/ticket/model.py”,
line 162, in insert
[self[name] for name in std_fields] +
File “/usr/local/lib/python2.4/site-packages/trac/db/util.py”, line
47, in execute
return self.cursor.execute(sql_escape_percent(sql), args)
File “/usr/local/lib/python2.4/site-packages/trac/db/util.py”, line
47, in execute
return self.cursor.execute(sql_escape_percent(sql), args)
File “/usr/local/lib/python2.4/site-packages/pyPgSQL/PgSQL.py”, line
3111, in execute
raise OperationalError, msg
OperationalError: ERROR: null value in column “id” violates not-null
constraint

– /trac error output –

The only fields not containing data are ‘Assign to’, ‘Keywords’ and
‘CC’.

Chris