So if the files under /drive[01]/fids/ are thought of as long hex numbers, which when zero padded on the left would be in the form YYYYYXXX. To "fix" your player, you must delete all files from /drive[01]/fids/ which are duplicated as /drive[01]/fids/_YYYYY/XXX

For example, your player has both /drive0/fids/100 and /drive0/fids/_00000/100 -- a no-no! You can safely delete /drive0/fids/100 in this case. There are others like that as well.

And back to the original problem of the web interface, I may update Hijack soon to cope with the new structure, if only I can figure out a cheap way to tell when a new structure exists..

Cheers