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 ('1bbf7dc48a7a5b5f51f8d7868abc71f7',',667,756,829,917,959,963,1047,1076,1126,1162,1175,1223,1269,1327,1375,1388,1464,1490,1500','1','lastpost','desc','1711634031','0','52.91.84.219')
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: 28.03.2024 @ 14:53
Script: /search.php?action=user&userid=46&sid=0b50e25951eceb74f1297ed7f55e231c
Referer: