Complete error description: “Error #100 Missing Permission”
Many of our users are experiencing an error called #100 Missing Permission when trying to log in to Facebook Shops through Nembol.
Facebook is deploying the new service internationally and its rules differ country by country.
According to other users experiences, the causes could be:
Your business is not a Verified Business on Facebook
You are not an admin of any Facebook Shop
You are not an admin of any Facebook Catalog
You are not an admin of any Facebook Page or Instagram account
Your business is located in a country not yet fully served by Facebook Commerce solutions (e.g. Europe)