Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'root'@'localhost' in /var/www/html/webservice/summary/fb/db.connect.php:9 Stack trace: #0 /var/www/html/webservice/summary/fb/db.connect.php(9): mysqli->__construct() #1 /var/www/html/webservice/summary/fb/showXML.php(9): open_conn() #2 {main} thrown in /var/www/html/webservice/summary/fb/db.connect.php on line 9