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 ('adacfabe9f2f4bbd18424e8943b1bab5',',574,732,758,798,800,815,862,927,1011,1045,1046,1065,1153,1204,1208,1212,1226,1253,1268,1299,1306,1307,1342,1377,1470,1517','1','lastpost','desc','1714779923','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: 04.05.2024 @ 01:45
Script: /search.php?action=user&userid=43&sid=dc8902350ac09380be479f768604fd7b
Referer: