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 ('85a2c54310138ca39cffed3c74172721','0','3.12.71.237','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714734910','board.php?boardid=97&sid=baea0c73413242525bbf74dc8086fac5','0','0','')
mysql error: Duplicate entry '85a2c54310138ca39cffed3c74172721' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 03.05.2024 @ 13:15
Script: /board.php?boardid=97&sid=baea0c73413242525bbf74dc8086fac5
Referer: http://mainboard.ppg-clan.de/board.php?boardid=97&sid=baea0c73413242525bbf74dc8086fac5