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 ('c84c2d3ed05e09dfe3a55cdcf62a07cf',',667,756,829,917,959,963,1047,1076,1126,1162,1175,1223,1269,1327,1375,1388,1464,1490,1500','1','lastpost','desc','1714558135','0','3.129.13.201')
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: 01.05.2024 @ 12:08
Script: /search.php?action=user&userid=46&sid=4fea7b4e83098a918350ff348eb15253
Referer: