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 ('3f83d246482e75183bbdc4c109c40899',',1502,1509','1','lastpost','desc','1714615873','0','18.117.72.224')
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: 02.05.2024 @ 04:11
Script: /search.php?action=user&userid=59&sid=b766241c4abb0079c856392d8f97043e
Referer: