Multi-tenant app and granting consent

[cloudhal]

So I have created a multi-tenant Blazor WASM app, which all works fine. However, when first logging in, user is presented with the box to add the app the tenant:

User is a global admin in the tenant, however, either clicking either Accept, or the Consent button, the app still does not load due to unauthorized error:

If I then go into the Enterprise App in Azure AD and click Consent, then it starts to work:

This is odd as it already says that permission has been grated through admin consent. Does anyone know why?

[waldekmastykarz]

You're having a NullReference somewhere in your code. Have you tried stepping through your code to see what's wrong?

[cloudhal]

Thanks Waldek, I may do (probably several), can a null reference cause this issue?

[waldekmastykarz]

I suspect it might be a timing issue, where propagating the consent takes a moment, but your code expects an instantaneous result which leads to the exception. So the exception itself is not causing the issue but could be a part of the broken end-user experience.