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 ('37f31f762ec532fa6bd865d96946da25',',1502,1509','1','lastpost','desc','1714972509','0','18.223.119.17')
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: 06.05.2024 @ 07:15
Script: /search.php?action=user&userid=59&sid=5c510cd302e7f07bc455c2fa7d2ae489
Referer: