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 ('25897a9f1056a0bb5768733a2fbbbe90',',1502,1509','1','lastpost','desc','1714295688','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: 28.04.2024 @ 11:14
Script: /search.php?action=user&userid=59&sid=6f667ac74298fd6c8b601ce9ff15c85e
Referer: