error when running trac-admin upgrade

[benjamin]

It seems like the tables are not created right. I'm using Trac 0.11.2 and sqllite

Traceback (most recent call last):
  File "/usr/bin/trac-admin", line 8, in <module>
    load_entry_point('Trac==0.11.2', 'console_scripts', 'trac-admin')()
  File "/usr/lib/python2.5/site-packages/trac/admin/console.py", line 1294, in run
    return admin.onecmd(command)
  File "/usr/lib/python2.5/site-packages/trac/admin/console.py", line 123, in onecmd
    rv = cmd.Cmd.onecmd(self, line) or 0
  File "/usr/lib/python2.5/cmd.py", line 219, in onecmd
    return func(arg)
  File "/usr/lib/python2.5/site-packages/trac/admin/console.py", line 1144, in do_upgrade
    self.__env.upgrade(backup=do_backup)
  File "/usr/lib/python2.5/site-packages/trac/env.py", line 449, in upgrade
    participant.upgrade_environment(db)
  File "build/bdist.linux-i686/egg/tracdownloader/admin.py", line 704, in upgrade_environment
  File "build/bdist.linux-i686/egg/tracdownloader/db.py", line 83, in upgrade_environment
  File "/usr/lib/python2.5/site-packages/trac/db/util.py", line 51, in execute
    return self.cursor.execute(sql)
  File "/usr/lib/python2.5/site-packages/trac/db/sqlite_backend.py", line 58, in execute
    args or [])
  File "/usr/lib/python2.5/site-packages/trac/db/sqlite_backend.py", line 50, in _rollback_on_error
    return function(self, *args, **kwargs)
pysqlite2.dbapi2.OperationalError: near "release": syntax error