SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('49172a890d2657b5984d0c4c7468f27f','0','3.21.247.253','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715824563','report.php?postid=84438&sid=97189f8b56abf4224f93371b34900f88','0','0','')
mysql error: Duplicate entry '49172a890d2657b5984d0c4c7468f27f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 16.05.2024 @ 03:56
Script: /report.php?postid=84438&sid=97189f8b56abf4224f93371b34900f88
Referer: