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 ('eedb72a9e7c96aa3dff181afad371af2',',36,39,41,48,64,74,105,109,114,118,163,378,436,521,527,535,537,546,560,594,595,648,693,699,701,1191,1231,1381,1385,1391,1408,1433,1449','1','lastpost','desc','1711717516','0','35.172.110.179')
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: 29.03.2024 @ 14:05
Script: /search.php?action=user&userid=1&sid=f3b89c2d3cf10ffb1090c02a6bf1d83f
Referer: