I published my app in internal app sharing. After I shared link to download to myself, but to another account. I turn on internal app sharing in Google Play on my phone. When I click downloading, I catch error -> Error retrieving information from server. DF-DFERH-01
I tried to test in two phones, but with same google account.
A few more silly things to consider if you are new to Google Play Console.
And then publishing it by clicking on the blue button (publish modifications or something like that):