Exception occurred when creating MZContentProviderUpload for provider. (1004)

Question

I tried to upload the app build using Xcode but I got this error \"no accounts with itunes connect access\" I then tried to upload the IPA using application loa

Answer 1

I was getting this error many times during 3 hours. Sometimes along with other errors with it.

What helped: re-loginning toitunesconnect and restarting Mac after that. Build has uploaded from 1st attempt.