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 ('e4bd6845663780e6876df3457fca7608',',1502,1509','1','lastpost','desc','1714298132','0','18.224.59.231')
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: 28.04.2024 @ 11:55
Script: /search.php?action=user&userid=59&sid=12f69d1ee535da428ce178a9c61c0138
Referer: