The explanation: > (according to) Andrew Fowler (from the comment thread on facebook) The solution is to replace your OAuth Dialog URL: "https://graph.faceboo

The explanation: > (according to) Andrew Fowler (from the comment thread on facebook) The solution is to replace your OAuth Dialog URL: "https://graph.facebook.com/oauth/authorize?...... https://graph.facebook.com/oauth/authorize?...... with the up-to-date URL: "https://www.facebook.com/dialog/oauth?...... https://www.facebook.com/dialog/oauth?....... They removed support for some parameters without fixing the redirect from their old endpoint.