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 ('5530bff33efd88f47f4290cd49eaeaa3',',584,683,687,760,791,812,908,1035,1050,1129,1160,1201,1210,1213,1227,1239,1243,1324,1361,1445,1508','1','lastpost','desc','1715216236','0','18.223.196.211')
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 @ 02:57
Script: /search.php?action=user&userid=18&sid=f3cba8719e092a232ebeca9a0cb51928
Referer: