SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('40d5b3701f7905a91e222ab06c26ed55','0','18.224.51.27','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745246461','addreply.php?action=quote&postid=6189','0','0','')
mysql error: Duplicate entry '40d5b3701f7905a91e222ab06c26ed55' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 21.04.2025 @ 16:41
Script: /addreply.php?action=quote&postid=6189
Referer: http://gttempel.de/addreply.php?action=quote&postid=6189