I am trying to find the best route in a 3d map using arc scene, I built a model using the tutorial data and it ran for a few times with my network dataset and then all of a sudden it stopped working and I cannot get it to work. Does anyone have any other example models that you could share? Also, I am trying to place this model on a server and use it as a service on an online map and I am having trouble making it work for a server. I read the documentation online and I cant seem to get it to work still. help me?