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 ('c143d95609b9780953d0007fa9808aa5',',105,106,107,109,110,112,113,114,117,118,126,138,139,386,387,388,389,391,393,394,395,396,397,400,401,402','0','lastpost','desc','1714833117','0','3.145.105.108')
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 @ 16:31
Script: /search.php?action=polls&sid=9d12d3b43af5438760ca87650b7c0e27
Referer: