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 ('47c26f75cd1a6045d4d6b5a62605bce8',',1502,1509','1','lastpost','desc','1714499728','0','3.146.105.194')
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 @ 19:55
Script: /search.php?action=user&userid=59&sid=ed7fe5dd11dd823c01ab106d09071844
Referer: