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 ('49ceb9b205b6913394a7e7c65a21e744','0','18.222.203.203','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744965952','addreply.php?postid=36770','0','0','')
mysql error: Duplicate entry '49ceb9b205b6913394a7e7c65a21e744' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 18.04.2025 @ 10:45
Script: /addreply.php?postid=36770
Referer: http://gttempel.de/addreply.php?postid=36770