title: This resource can not be previewed at the moment. - CKAN
body: <p>I’m running CKAN 2.2 on Ubuntu 12.04 LTS (GNU/Linux 3.2.0-23-generic x86_64).</p>
  
  <p>I have uploaded a dataset to the CKAN instance. It has been uploaded successfully and can be downloaded as well. But when I try to preview the database I end up with below error.</p>
  
  <blockquote>
    <p>This resource can not be previewed at the moment.</p>
  </blockquote>
  
  <p>When I click on the “Click here for more information”, It says</p>
  
  <blockquote>
    <p>Could not load preview: DataProxy returned an error (Request Error:
    Backend did not respond after 10 seconds)</p>
  </blockquote>
  
  <p>How can I fix this error?</p>