title: Uninitialized Constant Admin::ClientsController
body: <p>I have a admin namespace i have configured the routes.rb as follows</p>
  <pre><code>  namespace &quot;admin&quot; do
      root :to =&gt; &quot;home#index&quot;
      resources  :projects
      resources  :clients
      resources  :tasks
    end
  </code></pre>
  <p>and i have folder structure as follows
  <code>controllers/admin/clients/clients_controller.rb</code>
  and class named <code>Admin::ClientsController &lt; ApplicationController</code>
  and the error is</p>
  <blockquote>
  <p>Routing Error</p>
  <p>uninitialized constant Admin::ClientsController
  Try running rake routes for more information on available routes.</p>
  </blockquote>