To recreate:

1. Add a UI-only model to a page
   I did add labels to all of my UI-only fields

2. Add a form tied to this model and select the fields in the model.

3. Get error message (and form not added to page):

4. There was a problem initializing a component of type skuidbuilder__builderComponent: Cannot read properties of undefined (reading ‘getLabel’)

Here is the error message on my page:

Here is the model definition:

Step 1 of adding the form:

Step 2 of adding the form:

I can add a basic model form, but not a UI-only model form.