So when you copied MyController blueprint over, you didn’t add Right Click functions from your custom pzController? That makes me think problem is in your level somehow. Just to eliminate possibility that it’s your Blueprints, try bringing them over to your new Top Down project and make sure it isn’t happening in there.
Could you show me a Top Down screenshot of your map and indicate where you are clicking that is trying to send character to 0,0,0? Move to Hit Location should not be activating if location is not reachable. You mention you have multiple z values for your platforms. Try setting up Break Hit Result and Print String nodes to see what exactly is being returned when you click:
