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 ('8284d4246fbeb352cfe44078ba11dd0c','0','18.222.199.33','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744945673','thread.php?postid=37022','0','0','')
mysql error: Duplicate entry '8284d4246fbeb352cfe44078ba11dd0c' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 18.04.2025 @ 05:07
Script: /thread.php?postid=37022
Referer: http://www.gttempel.de/thread.php?goto=lastpost&threadid=2296