sampbob

i need some help. i have just downloaded Gmax and i imported the washington .dff with Kam's Script. i have added some police lights, new wheels, and a pushbar, but then when i go to export it it keeps saying that i have more than 1 HIERARCHY link selected, and i dont know how to fix it, plz help!!! i really need help i really wanna see how this cars gonna turn out cuz right now it looks badass. Heres the error: Here are some pics of the car: