Recently I noticed that when we go to the edit form for a product entity, the image is missing. The button is present to add an image, and no thumbnail is displayed showing one assigned to the product. However this is the case for Product entities that DO have an image already assigned.
This problem has not always been present. A few months ago we could see any product image assigned to a product, retired, active, inactive, or otherwise. At some point that changed and I don't know what changed it. The field is still assigned to the entity type.
When you go to the Product Display node for the product, it shows the image that was already assigned to the product before this issue occurred. But there's no way to see the image assigned on the Product view.
Any ideas what is going on?