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 ('f3105c78abeee0633caa618c94fea830',',36,39,41,48,64,74,105,109,114,118,163,378,436,521,527,535,537,546,560,594,595,648,693,699,701,1191,1231,1381,1385,1391,1408,1433,1449','1','lastpost','desc','1714239858','0','18.219.95.244')
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: 27.04.2024 @ 19:44
Script: /search.php?action=user&userid=1&sid=206300120cede6b9bd2a75ca08cd46eb
Referer: