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 ('f9b179c391708381c59f3cc5c666f543',',584,683,687,760,791,812,908,1035,1050,1129,1160,1201,1210,1213,1227,1239,1243,1324,1361,1445,1508','1','lastpost','desc','1715217190','0','3.19.56.45')
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: 09.05.2024 @ 03:13
Script: /search.php?action=user&userid=18&sid=a2b8657457cf9082a33dd71d03206712
Referer: