Please look over the steps in our Facebook App Configuration Guide to make sure it is fully set up with the recommendations from that article. This error could point to the following 3 issues:
  • Go to Settings > Basic and make sure there is a Contact Email populated.
  • Go to App Review and make sure your app is live (Your app is currently live and available to the public).
  • On App Review, scroll down to Approved Items and make sure publish_actions is listed (explained in the user guide linked above).