the page does not load

I am trying to load an upcoming stories page for a Digg clone, but I
am getting an error message. http://pastie.org/309612 How to correct
the error?

I am trying to load an upcoming stories page for a Digg clone, but I
am getting an error message. http://pastie.org/309612 How to correct
the error?

story.user was nil and you tried to do something with it. Why that is
only you can say.

Fred

I think I have to edit the user_ids for the stories, but how can I do
that?