AttributeError: 'Widgets_Player' object has no attribute 'mediatype'

[sialivi]

The following exception sometimes occur when playing videos that are not in the library:

22:50:18 T:4008   ERROR: EXCEPTION Thrown (PythonToCppException) : -->Python callback/script returned the following error<--
                                             - NOTE: IGNORING THIS CAN LEAD TO MEMORY LEAKS!
                                            Error Type: <type 'exceptions.AttributeError'>
                                            Error Contents: 'Widgets_Player' object has no attribute 'mediatype'
                                            Traceback (most recent call last):
                                              File "D:\XBMC\portable_data\addons\service.library.data.provider\service.py", line 580, in onPlayBackEnded
                                                self.onPlayBackStopped()
                                              File "D:\XBMC\portable_data\addons\service.library.data.provider\service.py", line 583, in onPlayBackStopped
                                                if self.mediatype == 'movie':
                                            AttributeError: 'Widgets_Player' object has no attribute 'mediatype'
                                            -->End of Python script error report<--