I posted a response to the temporary merchant table here:
http://peqtgc.com/forums/index.php?t...58/#post-76308
If you get that 'resync' message, you should log out immediately before trying to move or delete any additional items.
It's a custom mechanism designed to attempt a correction of mis-matched item placement between the client and server.
It's not perfect..but, the old alternative was just to delete the items outright...
I believe Drogerin addressed the quest issue on peq as well.