I can’t tell you if “userPrincipalName” returns the email, is there any way we can check this?
Here is the rest of the URL that displays the error: version-test?debug_mode=true&error=invalid_request&error_description=AADSTS50194%3A%20Application%20%270e5c4091-0c0f-4c01-8f48-24aba7a0e67e%27(App%20Bubble)%20is%20not%20configured%20as%20a%20multi-tenant%20application.%20Usage%20of%20the%20%2Fcommon%20endpoint%20is%20not%20supported%20for%20such%20applications%20created%20after%20%2710%2F15%2F2018%27.%20Use%20a%20tenant-specific%20endpoint%20or%20configure%20the%20application%20to%20be%20multi-tenant.%20Trace%20ID%3A%20f1eb389c-8c70-40bc-b764-2996e8702400%20Correlation%20ID%3A%205bd2c3f6-50bd-4fe1-bb3f-6756f80adba5%20Timestamp%3A%202024-11-07%2000%3A23%3A24Z