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 ('6f705e6b43596f60a9f6e29c101c8c5f','0','18.222.111.24','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714702731','thread.php?postid=14631','0','0','')
mysql error: Duplicate entry '6f705e6b43596f60a9f6e29c101c8c5f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 03.05.2024 @ 04:18
Script: /thread.php?postid=14631
Referer: