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 ('e42c1e46dc0636899a4cc97c981b86a6','0','18.217.109.151','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714653538','board.php?boardid=123&sid=1ee2032b27c7189a04fab85c1de0d44c','0','0','')
mysql error: Duplicate entry 'e42c1e46dc0636899a4cc97c981b86a6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 02.05.2024 @ 14:38
Script: /board.php?boardid=123&sid=1ee2032b27c7189a04fab85c1de0d44c
Referer: http://mainboard.ppg-clan.de/board.php?boardid=123&sid=1ee2032b27c7189a04fab85c1de0d44c