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 ('23ce4a63844c5febf17afc856084f34b',',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','1714012356','0','18.188.20.56')
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: 25.04.2024 @ 04:32
Script: /search.php?action=user&userid=43&sid=0b50e25951eceb74f1297ed7f55e231c
Referer: