App Store Connect Operation Error: Could not connect to Apple's web service

Question

I have been trying to upload my app archive to App Store connect for the past 3 days. In the beginning, there was a problem with the iTMSTransporter and I had to manually in

Answer 1

I sometimes experience it because I have more than one version of Xcode, and archives it in the beta version of Xcode.

Make sure you do Archive only in the Xcode release version, not in Xcode beta or other versions.