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 ('efcee4e6902eac37729387c8cc3837d1','0','3.138.141.202','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714727409','board.php?boardid=33171&sid=3dfb74f45f6e059c62b0d0663a9542c2','0','0','')
mysql error: Duplicate entry 'efcee4e6902eac37729387c8cc3837d1' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 03.05.2024 @ 11:10
Script: /board.php?boardid=33171&sid=3dfb74f45f6e059c62b0d0663a9542c2
Referer: http://mainboard.ppg-clan.de/board.php?boardid=33171&sid=3dfb74f45f6e059c62b0d0663a9542c2