title: Xcode stuck in "Uploading package to the App Store" stage while uploading
body: <p>I have tried to upload an application to Test Flight. The app is successfully validated.</p>
  <p>However, when distributing, Xcode is stuck in the &quot;Uploading&quot; stage as shown below:</p>
  <blockquote>
  <p>Uploading<br />
  Uploading package to the App Store...</p>
  </blockquote>
  <p><a href="https://i.stack.imgur.com/yUYbP.png" rel="noreferrer"><img src="https://i.stack.imgur.com/yUYbP.png" alt="Uploading package to the App Store..." /></a></p>
  <p>I have waited 2 hours and nothing has changed.</p>
  <p>I am using Xcode 11.1. Is there any solution for this problem?</p>