Uploading PWA (Progressive Web Apps) builds to the Meta Store

Hello! I'm currently trying to upload a PWA to the Meta Store. Uploading a build manually is deprecated so I'm using the ovr tools. When trying to upload a build, it responds with an error stating that:

Application XXXXXXX is not configured as a progressive web application ...

How do I setup my application to be a PWA? I see nothing where the guide says there should be something.
I found a guide stating that I already need an application on the Meta Store firstly, before I can upload a PWA, but that just doesn't make sense to me.

Hope for some help, thanks!

What I see::

Guide screenshot: