Some of my products have missing thumbnail in the Backoffice view. They are normally showing everywhere in the front office, also they are visible in Backoffice catalog list. The problem exist only on the "edit product" tab. Can someone help, please?
When I click the little zoom icon than the large image showing up correctly.
Thank you.
EDIT: All images already regenerated via Design -> Image Settings -> Regenerate thumbnails - it didn't help