SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('f227ce6ce7b52ae90185fb7415f4fca6','0','3.147.104.248','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714841989','board.php?boardid=149&sid=6bcdca597d04e3e84d4b0748a9585e8a','0','0','')
mysql error: Duplicate entry 'f227ce6ce7b52ae90185fb7415f4fca6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 18:59
Script: /board.php?boardid=149&sid=6bcdca597d04e3e84d4b0748a9585e8a
Referer: http://wehrbauten.de/board.php?boardid=149&sid=6bcdca597d04e3e84d4b0748a9585e8a