I have this notice showing to me after i tried to publish my facebook audience building ad. They said to republish after a few minutes but everytime i did that the same error notice would show. Its really frustrating that I cant publish any adverts. Anyone with knowledge to solve this, pls feel free to reply to this thread.
Go to your Facebook business manager account. Under business settings, go to business info. Provide your email address and click on " Send verification Email"
Go to your inbox and verify it. If not found in primary inbox, try checking under social tab or spam. Once verified, edit your facebook campaign on shopify and re-submit it.
That's It." -Credit to Tee-Zoo