Warning: mysqli_connect(): (HY000/1045): Access denied for user 'mabelkat_dario'@'localhost' (using password: YES) in /home/mabelkat/public_html/album_ok2.php on line 9

Warning: mysqli_connect(): (HY000/1045): Access denied for user 'mabelkat_dario'@'localhost' (using password: YES) in /home/mabelkat/public_html/album_ok2.php on line 12
I cannot connect to the database because: