The template deployment failed with multiple errors.

Question

I'm going through the Coursera preparation courses for the AZ-900 certification.

At Introduction to Microsoft Azure Cloud Services

1. Module 2
2. Exercise - Create a website hosted in Azure

I am asked to create a website using Wordpress

In step 6 I cannot choose MySQL in App (no drop-down that I can see) so I accept the default setting, but have to disable "Managed Identity".

When I proceed to "Review+Create" I get the following error