I want to get an access to Calendar rest API from my Ruby application. I've created azure multi-tenant app, and configured it.
I'm trying to get an access token to resource "https://outlook.office365com/", but I get an error
'AADSTS50001: Resource 'https://outlook.office365.com/' is disabled.'
I can't find any description of this error, and can't understand why it's disabled
Here are my azure app permissions: