Discussione: SQL error

ciao a tutti!!!
ieri per sbaglio ho disinstallato il vbulletin cms e ora ho questo errore

Codice:

Database error in vBulletin 4.2.0:

Invalid SQL:


            SELECT MAX(permissions & 1) AS perm
            FROM cms_permissions
            WHERE nodeid = 1 AND usergroupid IN (6);


MySQL Error   : Table '***.cms_permissions' doesn't exist
Error Number  : 1146
Request Date  : Friday, December 7th 2012 @ 09:05:40 PM
Error Date    : Friday, December 7th 2012 @ 09:05:40 PM
Script        : 
Referrer      : 
IP Address    : 
Username      : 
Classname     : vB_Database
MySQL Version : 5.1.49-3

aiutatemi per favore