Newb queston to fellow Railians

I get stuct at this…i get this message when i load my site…give me
some idea how to fix it…

MissingSourceFile in #
No such file to load –
…/my_app/cookbook/script/…/config/…/config/routes.rb
RAILS_ROOT: …/my_app/cookbook/script/…/config/…

when rails generate the script i don’t have file routes.rb.
thanks in advance.