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 ('7cb5ac5c031c5d6a66e396a4f1d7a30c','0','3.143.17.127','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714432360','board.php?boardid=33&sid=0d65f6d745ca6c1b84ad72f742ebd21f','0','0','')
mysql error: Duplicate entry '7cb5ac5c031c5d6a66e396a4f1d7a30c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 30.04.2024 @ 01:12
Script: /board.php?boardid=33&sid=0d65f6d745ca6c1b84ad72f742ebd21f
Referer: http://mainboard.ppg-clan.de/board.php?boardid=33&sid=0d65f6d745ca6c1b84ad72f742ebd21f