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 ('4388180d765d2d2a2030402daf6256b1','0','3.144.25.74','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714496241','board.php?boardid=33209&sid=8b400a04cb67796d08c2eaa8878e881a','0','0','')
mysql error: Duplicate entry '4388180d765d2d2a2030402daf6256b1' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 30.04.2024 @ 18:57
Script: /board.php?boardid=33209&sid=8b400a04cb67796d08c2eaa8878e881a
Referer: http://mainboard.ppg-clan.de/board.php?boardid=33209&sid=8b400a04cb67796d08c2eaa8878e881a