Ruby on Rails Tutorial stuck at 1.4.2

I posted a question on stackoverflow.

I followed the instructions another user suggested but that did not seem
fix the problem. I really want to progress in this tutorial but pushing
app to heroku has delayed me from advancing in the tutorial.

Thank you for your help!

What does your application.rb file look like?

Can you start the app locally with bundle exec rails s

Or can you get into console with bundle exec rails c