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 ('73ed242f48cf1b28824df38e319c3a27','0','18.224.44.108','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715376983','board.php?boardid=356&page=1&daysprune=1000&sortfield=views&sortorder=ASC&sid=921b1c2dd258b44df70e77ba8871b801','0','0','')
mysql error: Duplicate entry '73ed242f48cf1b28824df38e319c3a27' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 23:36
Script: /board.php?boardid=356&page=1&daysprune=1000&sortfield=views&sortorder=ASC&sid=921b1c2dd258b44df70e77ba8871b801
Referer: http://wehrbauten.de/board.php?boardid=356&page=1&daysprune=1000&sortfield=views&sortorder=ASC&sid=921b1c2dd258b44df70e77ba8871b801