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 ('124f7d36f5b9e5957ecd5fad269eec54','0','18.188.80.46','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745278478','addreply.php?action=quote&postid=26933','0','0','')
mysql error: Duplicate entry '124f7d36f5b9e5957ecd5fad269eec54' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.04.2025 @ 01:34
Script: /addreply.php?action=quote&postid=26933
Referer: http://gttempel.de/addreply.php?action=quote&postid=26933