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 ('87a6038b2a45a48824ed09312a52011b','0','18.225.72.113','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745063716','addreply.php?postid=2511','0','0','')
mysql error: Duplicate entry '87a6038b2a45a48824ed09312a52011b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 13:55
Script: /addreply.php?postid=2511
Referer: http://gttempel.de/addreply.php?postid=2511