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 ('68d8e6ea7db2329ca245fa4f9d12bb15','0','3.128.200.157','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715628445','addreply.php?action=quote&postid=4065391&sid=2751f64aa1469123ccfff62e443dedb5','0','0','')
mysql error: Duplicate entry '68d8e6ea7db2329ca245fa4f9d12bb15' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.1.48-MariaDB-0ubuntu0.18.04.1
php version: 7.4.33
Date: 13.05.2024 @ 21:27
Script: /addreply.php?action=quote&postid=4065391&sid=2751f64aa1469123ccfff62e443dedb5
Referer: