Environment:

https://trmdemo010.crm.dynamics.com/

u:admin@trmdemo01.onmicrosoft.com | p: T!T@n1130

Repro Steps:

Marketing App -> Marketing Pages à New

Expected result:

I am able to create a new landing page from a template.

Actual Result:

I get an error below.Image Attached.

When I try to navigate to Marketing à Settings à Advanced Settings à Marketing Configuration, I get a spinning circle and the page never loads. Image Attached.