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 ('ee25b63200b0da57d6a393049f6349a4',',1409,1411,1450,1496,1499','1','lastpost','desc','1714303828','0','3.135.183.89')
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: 28.04.2024 @ 13:30
Script: /search.php?action=user&userid=63&sid=40d79d6de5875bcf057b956602374eb1
Referer: