'Using ACF Builder with Sage doesn't do anything

I've been experimentating with Sage 9 recently and trying out ACF Builder. I followed this guide:

https://roots.io/guides/using-acf-builder-with-sage/

But upon completion, I don't actually see anything being reflected in teh backend or seeing those fields that I supposedly added. I'm presuming it's because sage/app/setup.php isn't "firing" again so nothing is getting added. Does anyone know how I go about solving this issue? Thank you!



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