I am in the process of importing my products using the upload template CSV. Many of my products have multiple variants. According the the documentation, "you only need to enter the Products Page URL for the first variant."
When I leave the "Product Page" column empty for variants, however, I receive an error for each after import reading:
Product page not found
Make sure the URL corresponds to an existing product page
When I try filling in the "Product Page" column for each of the variants (I am using "shop"), the system interprets each row as its own unique product, and I have a bunch of unnamed products rather than variants.
As far as I can tell after many reviews, there are no other errors within my CSV.