Unable to exit from “unable to offer you a loan” screen in iOS app

Issue:
Go to get a loan, enter all details, get a “we can’t offer you a loan right now” screen, tap “back” and get a waiting screen with no buttons to go anywhere. Only way to continue is kill the app.

Details to reproduce:
See above

OS:
iOS 14.3

Device:
iPhone 11 Pro Max

App Version:
3.63.0 #701

Screenshots: