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 ('59f2825b5e53cecc17aa2ebbda3a6400','0','3.144.12.205','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714487858','board.php?boardid=97&sid=c24531b33db316f1b3f7fa6c27fa73e3','0','0','')
mysql error: Duplicate entry '59f2825b5e53cecc17aa2ebbda3a6400' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 30.04.2024 @ 16:37
Script: /board.php?boardid=97&sid=c24531b33db316f1b3f7fa6c27fa73e3
Referer: http://mainboard.ppg-clan.de/board.php?boardid=97&sid=c24531b33db316f1b3f7fa6c27fa73e3