map creation

I have worldbuilder enabled in Civ 6. When I attempt to open the map from my save game, it does not appear. When I attempt to build a map in worldbuilder, it crashes... :|

When basing a new map off an real world map or picture, has anyone found a nice way to change the background to the original image and then use the drawing tools to paint over it? I am asking, because it looks like this is the general process (which really stinks): Sketch a general image (on...