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 ('7451635a9b9c1da3dd73a713b2cc5c9c','0','3.144.18.59','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734987686','addreply.php?postid=36118','0','0','')
mysql error: Duplicate entry '7451635a9b9c1da3dd73a713b2cc5c9c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 23.12.2024 @ 22:01
Script: /addreply.php?postid=36118
Referer: http://gttempel.de/addreply.php?postid=36118