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 ('6ae4aa884d86b99138c978ef01305a41',',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','1714891797','0','3.144.98.13')
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: 05.05.2024 @ 08:49
Script: /search.php?action=user&userid=52&sid=b3379c691417a2eb87564fe5a22f94a7
Referer: