1. Reset your passkey it may help:
http://www.metpage.org/index.php?option ... &Itemid=70 then click Reset Passkey.
Then you have to redownload the .torrent file from the site, add it to your BT client, choose the folder where your unfinished files are stored, resume.
2. The other problem is there's no seeder for this boot. Then until someone decides to reseed it, you won't be able to finish