Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'root'@'localhost' (using password: NO) in /home/wsplprojects/public_html/intact_uPVC/windows.php:12 Stack trace: #0 /home/wsplprojects/public_html/intact_uPVC/windows.php(12): mysqli->__construct('localhost', 'root', '', 'contacts_db') #1 {main} thrown in /home/wsplprojects/public_html/intact_uPVC/windows.php on line 12