         stopLoading()
         
         if error != nil {
-            print("Unable to authenticate with Facebook")
+            print("Unable to authenticate with Facebook. Error=\(error!.localizedDescription)")
         }
         else if result.isCancelled {
         }

        // Facebook Sign-In
        self.fbLoginButton.delegate = self
        self.fbLoginButton.readPermissions = ["public_profile", "email"]
   
    }

    

            let graphRequest = FBSDKGraphRequest(graphPath: "me", parameters: ["fields": ""])
            graphRequest.startWithCompletionHandler() { connection, result, error in
                if error != nil {
                    print("Unable to get Facebook user info: \(error!.localizedDescription)")
                }
                else {
                    let fbId = result.valueForKey("id") as! String
