title: Unable to Register the Channel URI in store service engagement manager
body: <p>I was trying to implement the logic to get the notification from windows dev center using below link <a href="https://docs.microsoft.com/en-us/windows/uwp/publish/send-push-notifications-to-your-apps-customers%22" rel="nofollow noreferrer">Send Push Notification to your app</a></p>
  
  <p>But when I am trying to register the Notification channel It shows the Error message like </p>
  
  <blockquote>
    <p>Unable to get ChannelUri. Platform::Exception:A Notification channel request for the provided application identifier is in progress. With Error code  -2143420157 </p>
  </blockquote>
  
  <p>Can any one help me to solve this issues?</p>