SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_searchs (searchhash,postids,showposts,sortby,sortorder,searchtime,userid,ipaddress) VALUES ('2fc30c5d61b83d66e1a9490a2e1493f5',',1409,1411,1450,1496,1499','1','lastpost','desc','1714216222','0','3.149.243.32')
mysql error: Field 'searchstring' doesn't have a default value
mysql error number: 1364
mysql version: 10.3.39-MariaDB-1:10.3.39+maria~ubu2004
php version: 5.2.17
Date: 27.04.2024 @ 13:10
Script: /search.php?action=user&userid=63&sid=7988286a992991e3f6e42ef4d5f09533
Referer: