Can not play playlist!

Pleas help!!

I upgrade firmware to 1.01.20f and player do not play playlist?

I create playlist with wmp11, playlist are in player but it can not be played!

Sorry becayse My bad English!!! 

Try deleting all the songs from the Clip and then use Sync (View…Goto…Sync) within Windows Media Player to transfer your playlists from your computer to the Clip.  The songs will come along for the ride.

Still can not play!!

Make play list in compyter and then transfer them to a player, play list is there but can not be played.

I am loosing my mind!!!