Rails 4: ExecJS::RuntimeError in Admin#index

rubyonrails-talk
1 

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):

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<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