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 ('cce82ba338244797c0ca2ae56049d976','0','18.191.139.131','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744782107','addreply.php?action=quote&postid=21100','0','0','')
mysql error: Duplicate entry 'cce82ba338244797c0ca2ae56049d976' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 16.04.2025 @ 07:41
Script: /addreply.php?action=quote&postid=21100
Referer: http://gttempel.de/addreply.php?action=quote&postid=21100