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

I had this same problem right now. Basically that means that Word is defined as a class elsewhere and my guess is that it's on the rail-ties gem. Just change Word to Word2 and it should work fine on the tutorial.