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 ('6f976173da02a37155863bb6e6277ed2','0','18.191.223.123','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714823265','addreply.php?action=quote&postid=2567&sid=144649065bd4885eba79e335db028b9c','0','0','')
mysql error: Duplicate entry '6f976173da02a37155863bb6e6277ed2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 13:47
Script: /addreply.php?action=quote&postid=2567&sid=144649065bd4885eba79e335db028b9c
Referer: