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 ('589c48e6ad57dabf77b7ee0ea2b3963a',',934,1051,1108,1155,1170,1245,1252,1263,1495,1374,1439,1524','1','lastpost','desc','1713491950','0','3.144.42.196')
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: 19.04.2024 @ 03:59
Script: /search.php?action=user&userid=49&sid=77c6b527076f52719ada89dabc6f7047
Referer: