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 ('17e29622799bfce43896b4aec2beeceb',',1409,1411,1450,1496,1499','1','lastpost','desc','1714720131','0','18.118.45.162')
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: 03.05.2024 @ 09:08
Script: /search.php?action=user&userid=63&sid=7eb8a12e9e43a5416d980777e9c51065
Referer: