I am new to rails and I try to follow along with this pre-launch tutorial - http://railsapps.github.com/tutorial-rails-prelaunch-signup.html
When initializing a rails server using $ rails s, the following error message appears:
Users / pv / .rvm / gems / ruby-1.9.3-p194@rails326 /gems/devise-2.1.2/lib/devise/models.rb: 97: in `const_get ': uninitialized constant. Devise :: Models :: Invitable (NameError)
followed by a bunch of file paths, for example:
from /Users/patrickvihtelic/.rvm/gems/ruby-1.9.3-p194@rails326/gems/devise-2.1.2/lib/devise/models.rb:97:in `block (2 levels) in devise'
from /Users/patrickvihtelic/.rvm/gems/ruby-1.9.3-p194@rails326/gems/devise-2.1.2/lib/devise/models.rb:92:in `each'
from /Users/patrickvihtelic/.rvm/gems/ruby-1.9.3-p194@rails326/gems/devise-2.1.2/lib/devise/models.rb:92:in `block in devise'
from /Users/patrickvihtelic/.rvm/gems/ruby-1.9.3-p194@rails326/gems/devise-2.1.2/lib/devise/models.rb:123:in `devise_modules_hook!'
from /Users/patrickvihtelic/.rvm/gems/ruby-1.9.3-p194@rails326/gems/devise-2.1.2/lib/devise/models.rb:90:in `devise'
from /Users/patrickvihtelic/code/rails-prelaunch-signup/app/models/user.rb:5:in `<class:User>'
from /Users/patrickvihtelic/code/rails-prelaunch-signup/app/models/user.rb:1:in `<top (required)>'
from /Users/patrickvihtelic/.rvm/gems/ruby-1.9.3-p194@rails326/gems/activesupport-3.2.8/lib/active_support/inflector/methods.rb:230:in `block in constantize'
from /Users/patrickvihtelic/.rvm/gems/ruby-1.9.3-p194@rails326/gems/activesupport-3.2.8/lib/active_support/inflector/methods.rb:229:in `each'
from /Users/patrickvihtelic/.rvm/gems/ruby-1.9.3-p194@rails326/gems/activesupport-3.2.8/lib/active_support/inflector/methods.rb:229:in `constantize'
from /Users/patrickvihtelic/.rvm/gems/ruby-1.9.3-p194@rails326/gems/devise-2.1.2/lib/devise.rb:256:in `get'
Can anyone give me a hint or point me in the right direction?
Thank!
Pat
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