Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'root'@'localhost' (using password: NO) in /home/stteresa/public_html/user_tz/connection.php:2 Stack trace: #0 /home/stteresa/public_html/user_tz/connection.php(2): mysqli_connect('localhost', 'root', '', 'secondary_db') #1 /home/stteresa/public_html/user_tz/deletesubject.php(2): include('/home/stteresa/...') #2 {main} thrown in /home/stteresa/public_html/user_tz/connection.php on line 2