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 ('8a619b735256faf6eae03c8fe458de24','0','18.226.169.94','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714883648','thread.php?goto=lastpost&threadid=2039&sid=121ce6b4d708652c0b7653b85b2edf0c','0','0','')
mysql error: Duplicate entry '8a619b735256faf6eae03c8fe458de24' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 06:34
Script: /thread.php?goto=lastpost&threadid=2039&sid=121ce6b4d708652c0b7653b85b2edf0c
Referer: