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 ('7f0570c9bfdb0d34cc7ac1f2fbb3ebd2','0','3.17.128.129','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715135495','board.php?boardid=68&sid=66e4a1e3ca308c4d6f334d2eb56d342a','0','0','')
mysql error: Duplicate entry '7f0570c9bfdb0d34cc7ac1f2fbb3ebd2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 08.05.2024 @ 04:31
Script: /board.php?boardid=68&sid=66e4a1e3ca308c4d6f334d2eb56d342a
Referer: http://wehrbauten.de/board.php?boardid=68&sid=66e4a1e3ca308c4d6f334d2eb56d342a