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 ('bf1b3e0677f9fc588100fdae16cc5366','0','18.189.14.219','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714736585','board.php?boardid=103&sid=24e3035e38d98135dcdfcc90b21e43d3','0','0','')
mysql error: Duplicate entry 'bf1b3e0677f9fc588100fdae16cc5366' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 03.05.2024 @ 13:43
Script: /board.php?boardid=103&sid=24e3035e38d98135dcdfcc90b21e43d3
Referer: http://mainboard.ppg-clan.de/board.php?boardid=103&sid=24e3035e38d98135dcdfcc90b21e43d3