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 ('f955e7b5d3dd8c73defe646ecfdb2076','0','3.147.48.123','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745220165','addreply.php?action=quote&postid=8890','0','0','')
mysql error: Duplicate entry 'f955e7b5d3dd8c73defe646ecfdb2076' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 21.04.2025 @ 09:22
Script: /addreply.php?action=quote&postid=8890
Referer: http://gttempel.de/addreply.php?action=quote&postid=8890