I reside in the US/Washington State for reference, I have never traveled out of country and my Apple ID is set to the USA obviously.
Reproduction steps:
Install iOS application from App Store, open app, attempt to login using any of the four methods provided. Have tried opening the oauth link in browser, same error.
Expected result:
App allows user to login.
Actual result:
App gives an error using all login methods and prevents me from logging in.
Browser(s): Safari,Firefox,Chrome
OS: iOS 16.5 (latest?) checked for updates last night and this morning