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 ('c61f56c275cea9b216500ad955710feb','0','3.129.67.26','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1714208703','thread.php?postid=439252619','0','0','')
mysql error: Duplicate entry 'c61f56c275cea9b216500ad955710feb' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1-log
php version: 5.6.40
Date: 27.04.2024 @ 11:05
Script: /thread.php?postid=439252619
Referer: http://www.hoerspiel-paradies.de/thread.php?postid=439252619