SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Invalid SQL: SELECT u.userid, u.username, u.invisible, u.receivepm, u.lastactivity, uf.* FROM bb2_users u, bb2_groups g LEFT JOIN bb2_userfields uf ON (u.userid=uf.userid) WHERE u.groupid = g.groupid AND g.ismod=1 ORDER BY u.username ASC
mysql error: Unknown column 'u.userid' in 'on clause'
mysql error number: 1054
Date: 06.05.2024 @ 08:54
Script: /team.php?sid=74a070eecc79164dbc9c0dd2fab3ef9d
Referer: