Database error in vBulletin 3.6.8:

Invalid SQL:
SHOW CREATE TABLE linkback;

MySQL Error : Can't find file: 'linkback' (errno: 2)
Error Number : 1017
Date : Thursday, May 8th 2008 @ 09:41:18 AM
Script : http:///admincp/backup.php?do=sqltable
Referrer : http:///admincp/backup.php?do=choose

bu hatayı Alıyorum..