title: Ruby on Rails - bundle install is not working
body: <p>When I try to do <code>bundle install</code> it gives the error below.</p>
  
  <p>When I try running <code>bundle install</code>, or the suggest prompt below, with and without the ending url, I keep getting the same error and keeps telling me to <code>bundle install</code>, which I have been doing.</p>
  
  <p><strong>ERROR</strong></p>
  
  <p>An error occurred while installing pg (1.1.4), and Bundler cannot
  continue.
  Make sure that <code>gem install pg -v '1.1.4' --source 'https://rubygems.org/'</code>
  succeeds before bundling.</p>