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 ('ebb8e11931aa379d82a74f47402293f1',',1502,1509','1','lastpost','desc','1714471610','0','18.217.109.151')
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: 30.04.2024 @ 12:06
Script: /search.php?action=user&userid=59&sid=15aa0c0babc5039e93aa31c5eb4434c1
Referer: