Variants in WB store

There is a problem with adding variations. It worked previously but now it doesn't. I added a new global variation, created a new product and added this new variation to it. But there is no table allowing me to edit availability and price of all the variations. I am attaching two screens to illustrate - the first one is of an old product, with that table, the second is the new one - without
Why it is always such a quest to edit my site with this Homestead new product?

Note: This conversation was created from a reply on: How do I create a new site?.