IOS 14.1 and now can’t log in – myGMC Review

Ever since I upgraded to IOS 14.1 I can no longer log into this app. I get an error message saying “the connection between this app and the myGMC service is being unexpectedly rerouted by a 3rd part process.” I get this message on my iPad as well.
Review by ChrisR1963 on myGMC.