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 ('4ff6ade9a0fb59ff43af97be88f2b795','0','3.141.31.156','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745031051','addreply.php?action=quote&postid=36452','0','0','')
mysql error: Duplicate entry '4ff6ade9a0fb59ff43af97be88f2b795' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 04:50
Script: /addreply.php?action=quote&postid=36452
Referer: http://gttempel.de/addreply.php?action=quote&postid=36452