The transaction is inactive due to a rollback in a subtransaction. Issue rollback() to cancel the transaction.

in ubuntu karmic koala i get this bug when trying to install a game on my wbfs disk

Please inform the developer about this error!(Wiithon 1.21 (rev 484))

Traceback (most recent call last):
  File "/usr/share/wiithon/gui.py", line 2275, in termina_trabajo_anadir
    juegoNuevo = self.core.new_game_from_HDD(DEVICE, IDGAME)
  File "/usr/share/wiithon/core.py", line 127, in new_game_from_HDD
    particion = self.getParticion(DEVICE)
  File "/usr/share/wiithon/core.py", line 117, in getParticion
    particion = session.query(Particion).filter(sql).first()
  File "/usr/lib/pymodules/python2.6/sqlalchemy/orm/query.py", line 1231, in first
    ret = list(self[0:1])
  File "/usr/lib/pymodules/python2.6/sqlalchemy/orm/query.py", line 1152, in __getitem__
    return list(res)
  File "/usr/lib/pymodules/python2.6/sqlalchemy/orm/query.py", line 1292, in __iter__
    return self._execute_and_instances(context)
  File "/usr/lib/pymodules/python2.6/sqlalchemy/orm/query.py", line 1295, in _execute_and_instances
    result = self.session.execute(querycontext.statement, params=self._params, mapper=self._mapper_zero_or_none())
  File "/usr/lib/pymodules/python2.6/sqlalchemy/orm/session.py", line 754, in execute
    return self.__connection(engine, close_with_result=True).execute(
  File "/usr/lib/pymodules/python2.6/sqlalchemy/orm/session.py", line 719, in __connection
    return self.transaction._connection_for_bind(engine)
  File "/usr/lib/pymodules/python2.6/sqlalchemy/orm/session.py", line 312, in _connection_for_bind
    self._assert_is_active()
  File "/usr/lib/pymodules/python2.6/sqlalchemy/orm/session.py", line 247, in _assert_is_active
    "The transaction is inactive due to a rollback in a "
InvalidRequestError: The transaction is inactive due to a rollback in a subtransaction. Issue rollback() to cancel the transaction.

Use the following URL for reporting bugs:
https://bugs.launchpad.net/wiithon/+filebug