broken video playlist (1 Viewer)

[citizenkeys]

the video playlist for my skin don't work.
when i select a video and press "menu" on the remote, the dialog comes up and i select "Add to playlist".
the video doesn't get added to the playlist, however.
i have logging at debug level, and this is what's in mediaportal.log:

2009-07-03 06:35:59.656250 [Debug][MPMain]: WindowManager: route MediaPortal.GUI.Video.GUIVideoFiles:6->MediaPortal.Dialogs.GUIDialogMenu:2012
2009-07-03 06:35:59.656250 [Debug][MPMain]: DialogWindow: MediaPortal.Dialogs.GUIDialogMenu init
2009-07-03 06:36:01.906250 [Debug][MPMain]: WindowManager: unroute to MediaPortal.Dialogs.GUIDialogMenu:2012->MediaPortal.GUI.Video.GUIVideoFiles:6

when i try to view the playlist, this is what i get in error.log:

2009-07-03 06:37:08.062500 [ERROR][MPMain]: OnMessage exception:System.NullReferenceException: Object reference not set to an instance of an object.
   at MediaPortal.GUI.Video.GUIVideoPlayList.OnPageLoad()
   at MediaPortal.GUI.Library.GUIWindow.OnMessage(GUIMessage message)

and this is in mediaportal.log:

2009-07-03 06:35:59.656250 [Debug][MPMain]: WindowManager: route MediaPortal.GUI.Video.GUIVideoFiles:6->MediaPortal.Dialogs.GUIDialogMenu:2012
2009-07-03 06:35:59.656250 [Debug][MPMain]: DialogWindow: MediaPortal.Dialogs.GUIDialogMenu init
2009-07-03 06:36:01.906250 [Debug][MPMain]: WindowManager: unroute to MediaPortal.Dialogs.GUIDialogMenu:2012->MediaPortal.GUI.Video.GUIVideoFiles:6
2009-07-03 06:37:08.046875 [Debug][MPMain]: Window: MediaPortal.GUI.Video.GUIVideoFiles deinit
2009-07-03 06:37:08.046875 [Debug][MPMain]: TextureManager: CleanupThumbs()
2009-07-03 06:37:08.062500 [Warn.][MPMain]: TextureManager: texture: C:\Program Files\Team MediaPortal\MediaPortal\Skin\pm3sexy43\media\toggle-up.gif does not exist
2009-07-03 06:37:08.062500 [Warn.][MPMain]: TextureManager: texture: C:\Program Files\Team MediaPortal\MediaPortal\Skin\pm3sexy43\media\toggle-down.gif does not exist
2009-07-03 06:37:08.062500 [Debug][MPMain]: Window: MediaPortal.GUI.Video.GUIVideoPlayList init
2009-07-03 06:37:08.062500 [Info.][MPMain]: OnMessage exception:System.NullReferenceException: Object reference not set to an instance of an object.
   at MediaPortal.GUI.Video.GUIVideoPlayList.OnPageLoad()
   at MediaPortal.GUI.Library.GUIWindow.OnMessage(GUIMessage message)