title: This action could not be completed. Try Again (-22421) (Xcode)
body: <p>I have tried to upload my app to App Store (iTunes Connect) to test my app in TestFlight, but always appears the same error message. I don´t know what I´m doing wrong. It´s the third day I´m trying to upload my app.</p>
  
  <p>Also read that this is a problem from Apple's servers, but every day is the same problem.</p>
  
  <p>Please help me with this problem.</p>