Error "Transaction inactive after rollbadk" occured after moving files around between two drives

[brades]

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

Por favor. Informe a los desarrolladores de este error. Indique brevemente que es lo que estaba haciendo, y copie todo este mensaje.(Wiithon 1.26 (rev 503))

Traceback (most recent call last):
  File "/usr/share/wiithon/gui.py", line 1479, in on_tv_partitions_cursor_changed
    self.sel_parti.obj = self.getBuscarParticion(self.lParti, self.sel_parti.clave)
  File "/usr/share/wiithon/gui.py", line 1438, in getBuscarParticion
    encontrado = (particion.device == device)
  File "/usr/lib/python2.6/dist-packages/sqlalchemy/orm/attributes.py", line 163, in __get__
    instance_dict(instance))
  File "/usr/lib/python2.6/dist-packages/sqlalchemy/orm/attributes.py", line 382, in get
    value = callable_(passive=passive)
  File "/usr/lib/python2.6/dist-packages/sqlalchemy/orm/state.py", line 280, in __call__
    self.manager.deferred_scalar_loader(self, toload)
  File "/usr/lib/python2.6/dist-packages/sqlalchemy/orm/mapper.py", line 2434, in _load_scalar_attributes
    only_load_props=attribute_names)
  File "/usr/lib/python2.6/dist-packages/sqlalchemy/orm/query.py", line 1836, in _get
    return q.one()
  File "/usr/lib/python2.6/dist-packages/sqlalchemy/orm/query.py", line 1522, in one
    ret = list(self)
  File "/usr/lib/python2.6/dist-packages/sqlalchemy/orm/query.py", line 1565, in __iter__
    return self._execute_and_instances(context)
  File "/usr/lib/python2.6/dist-packages/sqlalchemy/orm/query.py", line 1570, in _execute_and_instances
    mapper=self._mapper_zero_or_none())
  File "/usr/lib/python2.6/dist-packages/sqlalchemy/orm/session.py", line 734, in execute
    return self._connection_for_bind(engine, close_with_result=True).execute(
  File "/usr/lib/python2.6/dist-packages/sqlalchemy/orm/session.py", line 699, in _connection_for_bind
    return self.transaction._connection_for_bind(engine)
  File "/usr/lib/python2.6/dist-packages/sqlalchemy/orm/session.py", line 298, in _connection_for_bind
    self._assert_is_active()
  File "/usr/lib/python2.6/dist-packages/sqlalchemy/orm/session.py", line 233, 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.

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https://bugs.launchpad.net/wiithon/+filebug