SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('3028fec6b880951a10dbb8770c3548e5','0','52.14.8.34','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714561630','board.php?boardid=1&sid=b6bf0571d483d2ee93b9ade8b8413e64','0','0','')
mysql error: Duplicate entry '3028fec6b880951a10dbb8770c3548e5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 01.05.2024 @ 13:07
Script: /board.php?boardid=1&sid=b6bf0571d483d2ee93b9ade8b8413e64
Referer: http://mainboard.ppg-clan.de/board.php?boardid=1&sid=b6bf0571d483d2ee93b9ade8b8413e64