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 ('fb7aaefc0e2ad8c5479cf6c2f40a9dea','0','52.15.165.239','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745314729','thread.php?postid=5096','0','0','')
mysql error: Duplicate entry 'fb7aaefc0e2ad8c5479cf6c2f40a9dea' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.04.2025 @ 11:38
Script: /thread.php?postid=5096
Referer: http://gttempel.de/thread.php?postid=5096