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 ('8aaef33c175d9ca2bd2896d110f16484','0','3.149.233.72','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714853239','board.php?boardid=93&page=1&daysprune=1000&sortfield=replycount&sortorder=ASC&sid=e82aad0e27bc4e4145cf75814952b4c0','0','0','')
mysql error: Duplicate entry '8aaef33c175d9ca2bd2896d110f16484' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 22:07
Script: /board.php?boardid=93&page=1&daysprune=1000&sortfield=replycount&sortorder=ASC&sid=e82aad0e27bc4e4145cf75814952b4c0
Referer: http://wehrbauten.de/board.php?boardid=93&page=1&daysprune=1000&sortfield=replycount&sortorder=ASC&sid=e82aad0e27bc4e4145cf75814952b4c0