[Doctor Death]

Got this error after install... any ideas?

Database error in vBulletin 3.8.1:

Invalid SQL:

SELECT DISTINCT userid
FROM aaaaaaaa_moderator
LEFT JOIN vaaaaaaaa_user as user USING (userid)
WHERE forumid <> -1
AND (user.usergroupid NOT IN (6)
AND NOT FIND_IN_SET(6, user.membergroupids)) AND (user.usergroupid NOT IN (5)
AND NOT FIND_IN_SET(5, user.membergroupids));

MySQL Error : Column 'userid' in field list is ambiguous
Error Number : 1052
Request Date : Sunday, February 1st 2009 @ 02:18:33 PM
Error Date : Sunday, February 1st 2009 @ 02:18:33 PM
Script : http://www.dxxxx.com/foxxxxx/psistats.php
Referrer :
IP Address : 70.161.40.132
Username : Doctor Death
Classname : vb_database
MySQL Version : 4.1.22-standard