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 ('ce3fb297f5d562ffe96c8e3b1267b6fa','0','3.144.129.165','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745351758','addreply.php?action=quote&postid=7211','0','0','')
mysql error: Duplicate entry 'ce3fb297f5d562ffe96c8e3b1267b6fa' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.04.2025 @ 21:55
Script: /addreply.php?action=quote&postid=7211
Referer: http://gttempel.de/addreply.php?action=quote&postid=7211