title: Deploy R app in shinyapps.io - Error: HTTP 404
body: <p>When i try to publish R app in shinyapps.io , it shows an error:</p>
  
  <pre><code>Preparing to deploy application...Error: HTTP 404
  GET https://api.shinyapps.io/v1/applications/461629
  Not Found
  Execution halted
  </code></pre>
  
  <p>How can I solve this error?</p>