Ruby problem

Hi guys, I’m having issues with opening up an assignment for ruby, when
I get to the directory of what I want to open, I get the error messages
in the image I attached. I am an extreme beginner at this and have no
idea how I can fix this, any help would be greatly appreciated!

It looks like you’re missing a file called “hello”. I assume it’s one
you’re supposed to have created when you created that folder.