Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'root'@'localhost' (using password: YES) in D:\Apache24\htdocs\secure-remember-me-for-login-using-php-session-and-cookies\DBController.php:14 Stack trace: #0 D:\Apache24\htdocs\secure-remember-me-for-login-using-php-session-and-cookies\DBController.php(14): mysqli_connect('localhost', 'root', Object(SensitiveParameterValue), 'db_auth') #1 D:\Apache24\htdocs\secure-remember-me-for-login-using-php-session-and-cookies\DBController.php(10): DBController->connectDB() #2 D:\Apache24\htdocs\secure-remember-me-for-login-using-php-session-and-cookies\index.php(8): DBController->__construct() #3 {main} thrown in D:\Apache24\htdocs\secure-remember-me-for-login-using-php-session-and-cookies\DBController.php on line 14