[kh99]

My fault, there's a missing ')' on the query line so it should be

PHP Code:

$users = $vbulletin->db->query_read("SELECT username FROM ".TABLE_PREFIX."user  
                   WHERE usergroupid = $groupid OR FIND_IN_SET($groupid, membergroupids)"); 


also, you want to move your $templater->register('str', $str) down to where the other $templater->register() lines are.