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 ('cc5cc5da37d06217822af7dfac63ab78',',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','1714585512','0','18.116.239.195')
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: 01.05.2024 @ 19:45
Script: /search.php?action=user&userid=52&sid=2dc68ef19395ff8216dcbb2e044a8765
Referer: