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 ('63e03a63fdac35ba714aade8d28e1ee2','0','18.216.233.58','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714342507','board.php?boardid=33214&sid=d6470bb89aef1fcc9188fb3bff0a42d5','0','0','')
mysql error: Duplicate entry '63e03a63fdac35ba714aade8d28e1ee2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 29.04.2024 @ 00:15
Script: /board.php?boardid=33214&sid=d6470bb89aef1fcc9188fb3bff0a42d5
Referer: http://mainboard.ppg-clan.de/board.php?boardid=33214&sid=d6470bb89aef1fcc9188fb3bff0a42d5