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 ('976ee4b573b385969363eb402d624384','0','18.117.196.184','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714480027','board.php?boardid=33191&sid=36c9037d888af3c21d617ea7d7eb35e8','0','0','')
mysql error: Duplicate entry '976ee4b573b385969363eb402d624384' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 30.04.2024 @ 14:27
Script: /board.php?boardid=33191&sid=36c9037d888af3c21d617ea7d7eb35e8
Referer: http://mainboard.ppg-clan.de/board.php?boardid=33191&sid=36c9037d888af3c21d617ea7d7eb35e8