Getting started with ERA

This is my first foray into ERA, so be gentle.

I'm following the tutorial in the Programmers' Guide and have successfully added my developer key.

I then received message  about my developer key not being set up correctly in my app - it's gone now so I don't have the details.

Now when I open ERA I get a blank form with nothing in the App dropdown list.

What do I have to do to see my apps?