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 ('9f2ff24b8167a3f357303e3ae5a80f89','0','3.133.146.237','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715891043','thread.php?postid=34694','0','0','')
mysql error: Duplicate entry '9f2ff24b8167a3f357303e3ae5a80f89' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 16.05.2024 @ 22:24
Script: /thread.php?postid=34694
Referer: