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 ('98a02db34aa8f62682e1c3b1c56489fe','0','3.22.51.241','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714721349','board.php?boardid=226&page=1&daysprune=1000&sortfield=vote&sortorder=ASC&sid=c589e8d109b21e8f9c54d9fafad78b3f','0','0','')
mysql error: Duplicate entry '98a02db34aa8f62682e1c3b1c56489fe' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 09:29
Script: /board.php?boardid=226&page=1&daysprune=1000&sortfield=vote&sortorder=ASC&sid=c589e8d109b21e8f9c54d9fafad78b3f
Referer: http://wehrbauten.de/board.php?boardid=226&page=1&daysprune=1000&sortfield=vote&sortorder=ASC&sid=c589e8d109b21e8f9c54d9fafad78b3f