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 ('60d299526c29778f2cad691bafb606a5','0','13.58.137.218','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714993203','calendar.php?sid=332096c16c27911984ab18ba3513b9f2','0','0','')
mysql error: Duplicate entry '60d299526c29778f2cad691bafb606a5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0ubuntu0.18.04.1
php version: 7.4.33
Date: 06.05.2024 @ 13:00
Script: /calendar.php?sid=332096c16c27911984ab18ba3513b9f2
Referer: http://www.karpfen-spezial.de/calendar.php?sid=332096c16c27911984ab18ba3513b9f2