مشكله في الاقتباس داتا بيز

Database error in vBulletin 4.0.2:

Invalid SQL:
SELECT * FROM forumpermission 
            WHERE ( forumid IN() AND usergroupid IN (6)) AND 
            (maxpost=0 AND postperhour=0);

MySQL Error   : You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') AND usergroupid IN (6)) AND 
            (maxpost=0 AND postperhour=0)' at line 2
Error Number  : 1064
Request Date  : Friday, May 28th 2010 @ 07:29:54 AM
Error Date    : Friday, May 28th 2010 @ 07:29:55 AM
Script        : http://www.h-m8.com/vb/newreply.php?do=newreply&p=0
Referrer      : http://www.h-m8.com/vb/showthread.php?p=123355
IP Address    : 109.74.34.243
Username      : مهاجر زمن
Classname     : vB_Database
MySQL Version : 5.0.90-community

Database error in vBulletin 4.0.2:

Invalid SQL:

                SELECT dateline, thumbnail_dateline, filename, filesize, visible, attachmentid, counter,
                    IF(thumbnail_filesize > 0, 1, 0) AS hasthumbnail, thumbnail_filesize,
                    attachmenttype.thumbnail AS build_thumbnail, attachmenttype.newwindow
                FROM attachment AS attachment
                LEFT JOIN attachmenttype AS attachmenttype USING (extension)
                WHERE posthash = 'invalid posthash'
                    AND userid = 6
                ORDER BY attachmentid;

MySQL Error   : Unknown column 'extension' in 'from clause'
Error Number  : 1054
Request Date  : Friday, May 28th 2010 @ 06:05:16 AM
Error Date    : Friday, May 28th 2010 @ 06:05:28 AM
Script        : http://www.h-m8.com/vb/newreply.php?do=postreply&t=1720
Referrer      : http://www.h-m8.com/vb/showthread.php?p=123044
IP Address    : 109.74.34.243
Username      : مهاجر زمن



فلما قمت بإصلاحه تعطلت المشاكرات ويظهر لي الخطأ المذكور سابقا في اول الموضوع 

ارجو الحل يا جماعه 
Classname     : vB_Database
MySQL Version : 5.0.90-community