fix

src/game-lib-d3-scene.js

@@ -371,7 +371,7 @@ GameLib.D3.Scene.LoadSceneFromApi = function(
                 var response = JSON.parse(xhr.responseText);
 
                 if (!response.scene || response.scene.length == 0) {
-                    return onLoaded(null, null, new Error('Could not load scene'));
+                    return onLoaded(null, new Error('Could not load scene'));
                 }
 
                 var scene = response.scene[0];