i am having problem in generate shopping cart
if i use all instructions
http://wiki.rubyonrails.org/rails/pages/RailsProductGenerator
regarding rails_product
ruby script/generate site my_first_cart
./script/…/config/…/lib/productize.rb:1: warning: already
initialized constant SITE
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/
active_support/dependencies.rb:477:in const_missing': uninitialized constant ActionController::Routing::RouteSet::NamedRoutes (NameError) from ./script/../config/../lib/productize.rb:85:in reload’
from ./script/…/config/environment.rb:91
from script/generate:2
Please help