I'm receiving the following error:
Given URL is not allowed by the Application configuration.: One or more of the given URLs is not allowed by the App's settings. It must match the Website URL or Canvas URL, or the domain must be a subdomain of one of the App's domains.
The application URL is https://mysubdomain.herokuapp.com/social/login
In FB App settings...
Basic settings
Advanced settings
Error received
I'm able to get Google+ and Twitter working, but Facebook is being stubborn. What am I missing?
