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 ('adaf46616cb543459c227db3bbcfe0c2',',534,536,632,641,660,664,794,839,851,854,893,901,909,914,962,966,1032,1054,1066,1067,1124,1125,1202,1249','1','lastpost','desc','1714740858','0','3.141.152.173')
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 @ 14:54
Script: /search.php?action=user&userid=37&sid=1fd5c0bc58ee4611c48daeebaab71276
Referer: