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 ('174ab3a3719611d4855aa6a7ba79cb87','0','3.135.216.174','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714700645','board.php?boardid=294&page=1&daysprune=1000&sortfield=topic&sortorder=ASC&sid=a10efef7114c395b7daafe572cd126c4','0','0','')
mysql error: Duplicate entry '174ab3a3719611d4855aa6a7ba79cb87' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 03:44
Script: /board.php?boardid=294&page=1&daysprune=1000&sortfield=topic&sortorder=ASC&sid=a10efef7114c395b7daafe572cd126c4
Referer: http://wehrbauten.de/board.php?boardid=294&page=1&daysprune=1000&sortfield=topic&sortorder=ASC&sid=a10efef7114c395b7daafe572cd126c4