How to fix the error: “The store blocked this account” when associating my app with the Microsoft Store

When attempting to publish the app, we try to associate it with the Microsoft Store, but we encounter the following error: “The store blocked this account. Ensure the account has permission to read reserved app names and that it is linked to a valid developer subscription.” We have verified our account credentials and developer subscription, but the issue persists. Please advise on how to resolve this error and successfully associate the app with the Microsoft Store.