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 ('68f0c83a010a6556860a98e178a099d2',',934,1051,1108,1155,1170,1245,1252,1263,1495,1374,1439,1524','1','lastpost','desc','1715159699','0','18.218.127.141')
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: 08.05.2024 @ 11:14
Script: /search.php?action=user&userid=49&sid=d02c61b976fcabea8420657d6c9ebd66
Referer: