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 ('9d35f037937fc771b20427af70833583','0','18.117.145.41','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734931651','addreply.php?action=quote&postid=11453','0','0','')
mysql error: Duplicate entry '9d35f037937fc771b20427af70833583' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 23.12.2024 @ 06:27
Script: /addreply.php?action=quote&postid=11453
Referer: http://gttempel.de/addreply.php?action=quote&postid=11453