I am also getting the same issue, can you please tell me what machine name are you saying. I can't get the work machine name here. Can you please explain me bit deeper for these. I am facing this issue from last few days, if you can please help me.
Have you included images for each Product under > Store > Products > edit.
@F.B. - In my case I created a product image with a mchine name of 'field_product_image' (singular). It needed to be 'field_product_images' (plural) for th eimages to work for me.
For reference, I installed the theme onto an existing site and had to create a bunch of the things manually that the full install creates for you. So if you used the full install and are not seeing images, this is likely not your issue.
Hope that helps.
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