Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'root'@'localhost' (using password: YES) in D:\xampp\htdocs\_0\06_Hotel\hoteldruid\includes\funzioni_backup.php:63 Stack trace: #0 D:\xampp\htdocs\_0\06_Hotel\hoteldruid\includes\funzioni_backup.php(63): mysqli_connect('localhost', 'root', 'jannis2020', 'hoteldruid', '3306') #1 D:\xampp\htdocs\_0\06_Hotel\hoteldruid\crea_backup.php(54): connetti_db_per_backup('mysqli', 'hoteldruid', 'localhost', '3306', 'root', 'jannis2020', 'NO', '', NULL, NULL) #2 {main} thrown in D:\xampp\htdocs\_0\06_Hotel\hoteldruid\includes\funzioni_backup.php on line 63