title: Bundler::GemfileNotFound while trying to install cms
body: <p>There is an error when I'm trying to install a CMS. It says <code>Bundler::GemfileNotFound</code></p>
  
  <p>Besides, when I run <code>bundle</code> it also says <code>Bundler::GemfileNotFound</code></p>
  
  <p>How do I fix this?</p>