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 ('8b03f629c424ab2cb88340554e461d21',',584,683,687,760,791,812,908,1035,1050,1129,1160,1201,1210,1213,1227,1239,1243,1324,1361,1445,1508','1','lastpost','desc','1715177436','0','3.14.253.221')
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: 08.05.2024 @ 16:10
Script: /search.php?action=user&userid=18&sid=949246868f767e45378e1d27e975bec6
Referer: