SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('54ec40e5c78c2e80c358d705b3121ac2','0','3.215.77.88','claudebot','1711687203','calendar.php?sid=1a4bb4b499fc4c61b51d4a3c41a347bb','0','0','')
mysql error: Duplicate entry '54ec40e5c78c2e80c358d705b3121ac2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 29.03.2024 @ 05:40
Script: /calendar.php?sid=1a4bb4b499fc4c61b51d4a3c41a347bb
Referer: