SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('271f8740ef241b3da44ef44e6a948ee8','0','216.73.216.238','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1748819800','addreply.php?action=quote&postid=35000','0','0','')
mysql error: Duplicate entry '271f8740ef241b3da44ef44e6a948ee8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 02.06.2025 @ 01:16
Script: /addreply.php?action=quote&postid=35000
Referer: