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 ('574f5166d87ef17aa9b926eb3aedbee8','0','216.73.216.222','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1752333792','thread.php?postid=5502','0','0','')
mysql error: Duplicate entry '574f5166d87ef17aa9b926eb3aedbee8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 12.07.2025 @ 17:23
Script: /thread.php?postid=5502
Referer: