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 ('cf675ea2622f507749a73ff2f919e2ba','0','3.149.233.72','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714978141','thread.php?postid=38615','0','0','')
mysql error: Duplicate entry 'cf675ea2622f507749a73ff2f919e2ba' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 06.05.2024 @ 08:49
Script: /thread.php?postid=38615
Referer: