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 ('3e9013ed9e46ea475565821b56ef743d','0','3.14.132.214','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714738770','board.php?boardid=25&sid=5b1494dcfec0e5acc3dfe508dc22b598','0','0','')
mysql error: Duplicate entry '3e9013ed9e46ea475565821b56ef743d' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 14:19
Script: /board.php?boardid=25&sid=5b1494dcfec0e5acc3dfe508dc22b598
Referer: http://wehrbauten.de/board.php?boardid=25&sid=5b1494dcfec0e5acc3dfe508dc22b598