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 ('92f51a546948c43503fcb8be33dfc00e','0','3.144.124.232','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714967485','register.php?sid=d006e4bbf7ff15800bd31e9939f7be81','0','0','')
mysql error: Duplicate entry '92f51a546948c43503fcb8be33dfc00e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 05:51
Script: /register.php?sid=d006e4bbf7ff15800bd31e9939f7be81
Referer: http://wehrbauten.de/register.php?sid=d006e4bbf7ff15800bd31e9939f7be81