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 ('a1e80800a4ef5e16767fc1e3ce042d83',',667,756,829,917,959,963,1047,1076,1126,1162,1175,1223,1269,1327,1375,1388,1464,1490,1500','1','lastpost','desc','1714702192','0','3.145.156.46')
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 @ 04:09
Script: /search.php?action=user&userid=46&sid=3e0b6e3257be61acca3595ba87279ee2
Referer: