Given URL is not allowed by the Application configuration Facebook application error

Question

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,

Answer 1

1.Make Sure Website Url and platform added, if not then visit https://developers.facebook.com/quickstarts/ then Select Platform -> Setup SDK -> Website Url And so on..

Note: website url can't be like this : https://www.example.com just remove www and make it simple and working ;)

2.Goto App Dashboard -> Setting -> Click on Advanced Tab then go to bottom of the page and enable Embedded Browser OAuth Login and leave Valid OAuth redirect URIs blank and Save it