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 ('e8906632b7db0f00cb6126dd423f9605',',584,683,687,760,791,812,908,1035,1050,1129,1160,1201,1210,1213,1227,1239,1243,1324,1361,1445,1508','1','lastpost','desc','1715614085','0','3.144.111.49')
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: 13.05.2024 @ 17:28
Script: /search.php?action=user&userid=18&sid=ca7c711acb559ac918c25c076be56c07
Referer: