[CRDeveloper]

Im getting this database error at members profiles.
not working

Database error in vBulletin 4.0.5:

Invalid SQL:

                SELECT a.*, q.*, u.username, u.userid FROM vbulletin_dbt_random_questions_answers AS a
                LEFT JOIN vbulletin_dbt_random_questions AS q USING (qid)
                INNER JOIN vbulletin_user AS u USING(userid)
                WHERE a.touserid = 7261 AND
                (private = 0 OR userid = 1 OR touserid = 1)
                ORDER BY a.dateline DESC
                LIMIT 0, 30;

MySQL Error   : Column 'userid' in where clause is ambiguous
Error Number  : 1052
Request Date  : Saturday, August 7th 2010 @ 01:43:33 AM
Error Date    : Saturday, August 7th 2010 @ 01:43:33 AM
Script        : http://www.toxxxicas.com/foro/member.php/7261-GUCCI
Referrer      : http://www.toxxxicas.com/foro/member.php/7261-GUCCI
IP Address    : ##.##.##.##
Username      : ToxXxicas.com
Classname     : vB_Database
MySQL Version : 4.1.22-standard