⬆   Click the Option at the top of YOUR Mac screen as shown here in this example to and enter the Password 

Run Again

options

You can then either Quit or choose a file to load

There is no default Page saved or it is missing

Once you have set a page it will be remembered on the next launch of the App. The Option button will be hidden. But you can mover your mouse over where it should be to reveal and use it.