Parse Facebook login fails with error code 251

Question

I\'m trying to use Parse Facebook & Twitter login in my app but the problem is I can\'t get the Facebook login to work.

I\'m getting the following error message:

Answer 1

Found a solution (will be happy to hear if its a valid solution)

In the facebook app (developer.facebook.com) -> Settings -> Advanced -> Is your app secret embedded -> Set to "No" and problem solved!