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 ('9000d65ba67e4ce1d8e38634af2287d6','0','3.144.253.161','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714052906','board.php?boardid=384&page=1&daysprune=1000&sortfield=replycount&sortorder=ASC&sid=2d9af60532d535436e62e407bf620d89','0','0','')
mysql error: Duplicate entry '9000d65ba67e4ce1d8e38634af2287d6' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 25.04.2024 @ 15:48
Script: /board.php?boardid=384&page=1&daysprune=1000&sortfield=replycount&sortorder=ASC&sid=2d9af60532d535436e62e407bf620d89
Referer: http://wehrbauten.de/board.php?boardid=384&page=1&daysprune=1000&sortfield=replycount&sortorder=ASC&sid=2d9af60532d535436e62e407bf620d89