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 ('4f4778af46d83ab0df8e5dd980389f6e','0','3.140.198.12','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716298443','board.php?boardid=262&daysprune=1000&sortfield=lastposttime&sortorder=DESC&sid=46d6e122bf87f20cb47f095b5979fbdc&page=55','0','0','')
mysql error: Duplicate entry '4f4778af46d83ab0df8e5dd980389f6e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.15-MariaDB-cll-lve-log
php version: 5.6.40
Date: 21.05.2024 @ 13:34
Script: /board.php?boardid=262&daysprune=1000&sortfield=lastposttime&sortorder=DESC&sid=46d6e122bf87f20cb47f095b5979fbdc&page=55
Referer: http://www.biker-community.com/board.php?boardid=262&daysprune=1000&sortfield=lastposttime&sortorder=DESC&sid=46d6e122bf87f20cb47f095b5979fbdc&page=55