Facebook One or more of the given URLs is not allowed by the App's settings

Question

Result in console:

Given URL is not allowed by the Application configuration.: One or more of the given URLs is not allowed by the App\'s settings. I

Answer 1

Facebook App Settings

Although answered several times with similar info, this is my experience FYI

• Testing on localhost - I wondered if that might be the problem, but nope.
• app_id and redirect_uri included.
• URLs properly encoded.

So why this error?

See Facebook Community Help as I did, for the important missing part of the puzzle.

That is:

Tell the world about this awesomeness!

Must match the reference URLs submitted to Facebook for the app with app_id.