Error: Not Enough Arguments Error Details: Failed invoking <symbol> Stack: - initialize() at Map Widget App\source\MapWidgetModel.mc:9 0x10000146 - <init>() at \Map Widget App\source\MapWidgetApp.mc:11 0x100014a6

When attempting to run my MapWidgetApp these two bits of code cause an error, I'm not too sure what to do. Any help would be much appreciated.

Map Widget App 

11. class MapWidgetApp extends Application.AppBase {
12. function initialize() {
13. AppBase.initialize();
}

MapWidgetModel

import Toybox.Position;
import Toybox.WatchUi;

9. function initialize(position as Position.Location) {
10. var degrees = position.toDegrees();
11. setPosition(degrees[0], degrees[1]);}