Joined just to ask for help. I started making maps for TF2 today and already I have a problem. I was going to make an Arena map and everything went fine until I tried to create the Control Point. I create an entity with the Entity Tool, then I double click on it and make it into a prop_dynamic. Then I double click on "World Model" and then Hammer shuts down. I have no idea what I am doing wrong since it worked fine earlier today. I really hope anyone of you can help since I thought it was really fun to create maps and would be sad if I couldn't do it anymore. Thanks!