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 ('8172ee3b50a7d5c343b11eb93bee516a','0','3.15.221.148','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745059910','addreply.php?action=quote&postid=14223','0','0','')
mysql error: Duplicate entry '8172ee3b50a7d5c343b11eb93bee516a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 12:51
Script: /addreply.php?action=quote&postid=14223
Referer: http://gttempel.de/addreply.php?action=quote&postid=14223