Once everyone has left a pop-up should come in saying how much money you earned and then you should be able to click continue and it rolls over to the next day and you can go dig again. If that isn't happening you may have a bug. Closing the game and opening it again might fix it? Either way, sorry about that! you are welcome to email us or find us on discord if you need any help and we can try solve the problem if you don't come right.