Ruby on Rails 3 : “superclass mismatch for class …”

Question

Platform: Mac OSX 10.6

In my terminal, i start the Ruby console with \"rails c\"

While following the Ruby on Rails 3 tutorial to build a class:

Answer 1

You already have a Word class defined elsewhere. I tried within a Rails 3 app but was not able to replicate.

If you have not created a second Word class yourself, it is likely one of your Gems or plugins already defines it.