SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6pl2): Invalid SQL: SELECT m.*,c.content,c.usebbcode,c.iframeurl,c.iframeheight FROM bb23_portal_module m LEFT JOIN bb23_portal_module m2 ON (m.moduleid=m2.parentid) LEFT JOIN bb23_portal_content c ON(m.contentid=c.contentid) WHERE m.parentid=0 AND (m2.groupid IN (5) OR m2.groupid='*') AND m.moduleid= LIMIT 0,1
mysql error: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'LIMIT 0,1' at line 1
mysql error number: 1064
mysql version: 10.6.16-MariaDB-0ubuntu0.22.04.1-log
php version: 5.6.40-nmm8
Date: 13.05.2024 @ 23:28
Script: /wbb23/portal_module.php?module=&sid=e4116582e946c68aff5d51e47f8d7ab4
Referer: