Exception in thread media manager MainLoop:
Traceback (most recent call last):
  File "/usr/lib/python2.4/threading.py", line 442, in __bootstrap
    self.run()
  File "/usr/lib/python2.4/threading.py", line 422, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/home/haiku/fluendo/Elisa/elisa/core/media_manager.py", line 213, in _process_queue
    self._process_source(source, for_plugin, uri, parent)
  File "/home/haiku/fluendo/Elisa/elisa/core/media_manager.py", line 243, in _process_source
    source = conn.add_source(source, source_name)
  File "/home/haiku/fluendo/Elisa/elisa/core/media_db.py", line 199, in add_source
    request = "insert into media(uri, media_node_id, short_name, source_id) values (%r, -1, %r, %s)" % (uri, short_name, source.id)
AttributeError: 'NoneType' object has no attribute 'id'