Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'root'@'localhost' (using password: NO) in /home/wamymy1/public_html/connection.php:2 Stack trace: #0 /home/wamymy1/public_html/connection.php(2): mysqli_connect('localhost', 'root', '', 'user_db') #1 /home/wamymy1/public_html/controllerUserData.php(3): require('/home/wamymy1/p...') #2 /home/wamymy1/public_html/login-user.php(1): require_once('/home/wamymy1/p...') #3 {main} thrown in /home/wamymy1/public_html/connection.php on line 2