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 ('ed2b8862474de0c0771fe3fbc6e1bf87','0','18.119.107.161','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714766596','newthread.php?boardid=357&sid=9d10d138c471bf3b69d7c36649003577','0','0','')
mysql error: Duplicate entry 'ed2b8862474de0c0771fe3fbc6e1bf87' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 22:03
Script: /newthread.php?boardid=357&sid=9d10d138c471bf3b69d7c36649003577
Referer: http://wehrbauten.de/newthread.php?boardid=357&sid=9d10d138c471bf3b69d7c36649003577