Facebook API error 191

Question

I\'m trying to integrate my project with Facebook. I\'m taking baby steps at first and just trying to login, get a Facebook session, and get some user data. I\'m developing

Answer 1

in the facebook App Page, goto the basic tab. find "Website with Facebook Login" Option.

you will find Site URL: input there put the full URL ( for example http://Mywebsite.com/MyLogin.aspx ). this is the URL you can use with the call like If the APP ID is 123456789

https://graph.facebook.com/oauth/authorize?client_id=123456789&redirect_uri=http://Mywebsite/MyLogin.aspx&scope=publish_actions