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 ('e6f3adf93d4a924ccaa28f1e9ebe7dcd','0','18.223.159.195','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715323015','addreply.php?postid=8126&sid=46f65f73e746b0ce72bbafaa6743223b','0','0','')
mysql error: Duplicate entry 'e6f3adf93d4a924ccaa28f1e9ebe7dcd' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.6.16-MariaDB-0ubuntu0.22.04.1
php version: 5.6.40
Date: 10.05.2024 @ 08:36
Script: /addreply.php?postid=8126&sid=46f65f73e746b0ce72bbafaa6743223b
Referer: