How to fix Facebook apps "Error: Can't Load URL: The domain of this URL isn't included in the app's domains" - WP Native Articles
How to fix Facebook app error "Incorrect Error: Can't Load URL: The domain of this URL isn't included in the app's domains"
11 Oct 2017 ... How to fix Facebook apps “Error: Can't Load URL: The domain of this URL isn't ... There's pretty much no good reason not to have HTTPS these days. ... have to put the exact return URL into the Valid OAuth Redirect URIs input. ... or website to the App, the oAuth redirect URL has to be explicitly set, where ...