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 ('3f816e940d3ae199977a8a3db799e699','0','3.147.48.123','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745230745','addreply.php?action=quote&postid=16926','0','0','')
mysql error: Duplicate entry '3f816e940d3ae199977a8a3db799e699' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 21.04.2025 @ 12:19
Script: /addreply.php?action=quote&postid=16926
Referer: http://gttempel.de/addreply.php?action=quote&postid=16926