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 ('5cc2d0c7fb31e8ffb5d669755bb00efc','0','3.143.214.100','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745231864','thread.php?postid=4259','0','0','')
mysql error: Duplicate entry '5cc2d0c7fb31e8ffb5d669755bb00efc' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 21.04.2025 @ 12:37
Script: /thread.php?postid=4259
Referer: http://gttempel.de/thread.php?postid=4259