vBulletin Download Eklentisi Database Sorunu

Invalid SQL:
SELECT COUNT(*) as files FROM dl_files WHERE  `category` = 1;

MySQL Error   : Unknown column 'category' in 'where clause'
Error Number  : 1054
Request Date  : Thursday, August 13th 2009 @ 07:05:34 PM
Error Date    : Thursday, August 13th 2009 @ 07:05:34 PM
Script        : http://www.xxxx.net/downloads.php?do=cat&id=1
Referrer      : http://www.xxxx.net/downloads.php
IP Address    : xx.xxx.xx.xxx
Username      : xxx
Classname     : vB_Database
MySQL Version : 5.0.45