Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'root'@'localhost' (using password: YES) in D:\xampp\htdocs\_0\06_Hotel\hor\admin\connect.php:2 Stack trace: #0 D:\xampp\htdocs\_0\06_Hotel\hor\admin\connect.php(2): mysqli->__construct('localhost', 'root', 'jannis2020', 'db_hor') #1 D:\xampp\htdocs\_0\06_Hotel\hor\add_query_reserve.php(2): require_once('D:\\xampp\\htdocs...') #2 {main} thrown in D:\xampp\htdocs\_0\06_Hotel\hor\admin\connect.php on line 2