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 ('db8b2a913c15871a5e35610b1bd27e40',',377,380,419,431,448,461,895,919,986,1006,1015,1058,1157,1171,1196,1198,1205,1229,1237,1318,1315,1333,1343,1347,1355,1356,1379,1405,1440,1446,1482,1501,1519','1','lastpost','desc','1714233939','0','3.145.93.221')
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: 27.04.2024 @ 18:05
Script: /search.php?action=user&userid=30&sid=c03ee5dc1d9af51a62a12e6d1852f7a9
Referer: