SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl 2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('9ad8b050b04e868e313c580af44bbb59','0','3.17.150.89','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)','1713570532','board.php?boardid=76&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=84ecfadf066b24ad1ef41257fbfa8a33','0','0','')
mysql error: Duplicate entry '9ad8b050b04e868e313c580af44bbb59' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.44
php version: 5.2.17
Date: 20.04.2024 @ 01:48
Script: /board.php?boardid=76&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=84ecfadf066b24ad1ef41257fbfa8a33
Referer: http://your-wbb.de/board.php?boardid=76&daysprune=1000&sortfield=lastposttime&sortorder=ASC&sid=84ecfadf066b24ad1ef41257fbfa8a33