iTunesConnect: cannot transfer app because of “You must turn off TestFlight beta testing for the app that you want to transfer”

Question

Below you can see that testing for external testers are turned off:

same for internal testing:

but when I transfer app, one of the criterias are not me

Answer 1

We found that in addition to the other answers here, logging out and logging back in to iTunesConnect allowed us to continue after it was saying TestFlight was still enabled.