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 ('594a8282fbec9b63ffcc8598784cb280','0','3.142.12.240','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714638963','login.php?sid=0b1fb5f763d3de83ed671cec846d5cfe','0','0','')
mysql error: Duplicate entry '594a8282fbec9b63ffcc8598784cb280' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 10:36
Script: /login.php?sid=0b1fb5f763d3de83ed671cec846d5cfe
Referer: http://wehrbauten.de/login.php?sid=0b1fb5f763d3de83ed671cec846d5cfe