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 ('8e1e5160132d0dafea2b7c838d62cbd2',',1502,1509','1','lastpost','desc','1714772171','0','3.149.27.202')
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: 03.05.2024 @ 23:36
Script: /search.php?action=user&userid=59&sid=5947ffad0872f564e6997a1affa1edcc
Referer: