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 ('3217c218705475c8f6133d875f57721a',',1502,1509','1','lastpost','desc','1714734806','0','3.133.121.160')
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: 03.05.2024 @ 13:13
Script: /search.php?action=user&userid=59&sid=5353d89aae02e82b96025a5147b9225b
Referer: