Need help can't physgun cars in darkrp!

So we are setting up a darkrp server and we cant physgun our tdm cars for some reason same for the rest of cars chairs etc. So what the problem is I dont know really please help me I need this fixed asap…Thanks alot guys apreciate it…

In falcons pp u can block the entity from being able to grav gun and phys gun and remove so u can phys gun them pretty easy to do if u ned help just pm me.