amarok strange problem, it doesn't want to make playlist

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http://forums.fedoraforum.org – Hi all! I have Fedora 11 and amarok-2.1.1-1.fc11.i586. Last week after some updates and for now I have a problem with amarok, it doesn't want or can't to make a list of song for playing!!! So it can't play anymore. All the buttons and menu items like clear playlist, new playlist, add songs to playlist etc. don't do anything!!! Also doesn't work drag'n'drop mp3 file(s) from file list to play list. When I make a click and drag the file, arrow appears with a "plus" sign as usually, but when I drop it in playlist area it just disappears and nothing happens. This is very strange. Earlier it was all fine with it, but now it doesn't. I've already removed amarok and installed again, cleared all files *amarok* in the user's directory, but still without success :( By the way, it still works fine under root account. (HowTos)