SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('972e7d4ce2687248e0e6b3df0f31437e','0','18.190.219.65','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714683756','board.php?boardid=85&sid=39e193a1fd15826b7715100f74881a06','0','0','')
mysql error: Duplicate entry '972e7d4ce2687248e0e6b3df0f31437e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 10.5.23-MariaDB-0+deb11u1
php version: 5.6.40
Date: 02.05.2024 @ 23:02
Script: /board.php?boardid=85&sid=39e193a1fd15826b7715100f74881a06
Referer: http://mainboard.ppg-clan.de/board.php?boardid=85&sid=39e193a1fd15826b7715100f74881a06