I generated a Rails 4 app. I am not sure why I get the following error. (in C:/Ruby193/lib/ruby/gems/1.9.1/gems/turbolinks-1.3.1/lib/assets/javascripts/turbolinks.js.coffee) Extracted source (around line *#6*): 3456789 <head> <title>Htspot</title> <%= stylesheet_link_tag "application", media: "all", "data-turbolinks-track" => true %> <%= javascript_include_tag "application", "data-turbolinks-track" => true %> <%= csrf_meta_tags %> </head> <body> Rails.root: C:/my_local/phone_hotspot Application Trace <http://localhost:3000/#> | Framework Trace<http://localhost:3000/#>| Full Trace <http://localhost:3000/#> app/views/layouts/application.html.erb:6:in `_app_views_layouts_application_html_erb___495299681_42123264' Request -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/baaefb7e-b18c-4854-880f-8a90a92d7f16%40googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.