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 ('ec993ba87c8c9fb5bc46b9de10d59d04','0','216.73.216.32','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1753664960','addreply.php?threadid=516','0','0','')
mysql error: Duplicate entry 'ec993ba87c8c9fb5bc46b9de10d59d04' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 28.07.2025 @ 03:09
Script: /addreply.php?threadid=516
Referer: