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 ('8e52615d27493c29d9bb1c25c4509767','0','3.138.122.195','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714389265','board.php?boardid=21&sid=84b327a28317a6b46027147a5bb2cdb1','0','0','')
mysql error: Duplicate entry '8e52615d27493c29d9bb1c25c4509767' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 29.04.2024 @ 13:14
Script: /board.php?boardid=21&sid=84b327a28317a6b46027147a5bb2cdb1
Referer: http://mainboard.ppg-clan.de/board.php?boardid=21&sid=84b327a28317a6b46027147a5bb2cdb1