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 ('7bbe334d511191664ffec18ba1c405a8','0','3.15.186.27','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734919253','addreply.php?postid=395','0','0','')
mysql error: Duplicate entry '7bbe334d511191664ffec18ba1c405a8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 23.12.2024 @ 03:00
Script: /addreply.php?postid=395
Referer: http://gttempel.de/addreply.php?postid=395