Rail project creation error on ubuntu 12.04

[hoboy Hoboy]

this is the ruby version I used.
ruby -version
ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-linux]
-e:1:in `<main>': undefined local variable or method `rsion' for
main:Object (NameError)
------------------
The problem is that when I create rails project I get errors on
/config/initializers/session_store.rb
I get error at: Ss::Application.config.session_store :cookie_store, key:
'_ss_session'
---------------------------------------------------------------------------
/config/initializers/wrap_parameters.rb
I get errors on : wrap_parameters format: [:json]
ActiveSupport.on_load(:action_controller) do
wrap_parameters format: [:json]
end

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[Karthikeyan A.K]

How did u install it, using rvm? I have written a blog which you can follow to install ruby and rails http://acupofrails.wordpress.com/2012/03/16/installing-rails-on-ubuntu/ . But for this error, sorry, I don't have specific answer.