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 ('7611cc2655b5116fa87b88e1eb6d0855',',1083,1095,1109,1117,1147,1151,1195,1251,1278,1293,1298,1331,1362,1363,1364,1421,1422,1424,1426,1448,1461,1462,1479,1485,1489,1497,1520','1','lastpost','desc','1714654547','0','3.138.122.4')
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: 02.05.2024 @ 14:55
Script: /search.php?action=user&userid=52&sid=4d2f3ac13ac7b90da7a905257c8a237a
Referer: