Well, all I have to do is change the code. For example, I change uta1c_con, meaning Utapau, Clone Wars Era, Conquest, to myg1c_con, meaning Mygeeto, Clone Wars Era, Conquest. Well, I can do that, but all I see when I spawn is a black box, and you can't spawn, either.
EDIT: As you see in this example, I successfully got the load screen for Kashyyyk to appear:
Example1
But, this is all I see:
Example2