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 ('75b51538d5cf6b3198d14991531136d6','0','52.15.234.217','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745059730','addreply.php?action=quote&postid=2045','0','0','')
mysql error: Duplicate entry '75b51538d5cf6b3198d14991531136d6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 12:48
Script: /addreply.php?action=quote&postid=2045
Referer: http://gttempel.de/addreply.php?action=quote&postid=2045