File "/home/jhammel/Trac/lib/python2.5/site-packages/Trac-0.11.3-py2.5.egg/trac/env.py", line 210, in __init__
    setup_participant.environment_created()
  File "/home/jhammel/Trac/src/TagsPlugin/tractags/model.py", line 20, in environment_created
    self._upgrade_db(self.env.get_db_cnx())
  File "/home/jhammel/Trac/src/TagsPlugin/tractags/model.py", line 60, in _upgrade_db
    cursor.execute(stmt)
  File "/home/jhammel/Trac/lib/python2.5/site-packages/Trac-0.11.3-py2.5.egg/trac/db/util.py", line 51, in execute
    return self.cursor.execute(sql)
  File "/home/jhammel/Trac/lib/python2.5/site-packages/Trac-0.11.3-py2.5.egg/trac/db/util.py", line 51, in execute
    return self.cursor.execute(sql)
psycopg2.ProgrammingError: column "tagspace,name" does not exist