My Pawn Vehicle doesn't move

Hello everyone. I tried to make a car move using this tutorial video:

https://www.youtube.com/watch?v=KNzySisQ6BI&list=PLqYiINMEwk5uapor-07lph2rQi_En1uDl&index=1

But unlike the author of the video, my car just doesn’t move. I think that the physics simply doesn’t work. I’ve been unable to figure out what’s wrong for a couple of days now. I would be very grateful for any help

to begin with make the skelmesh the root component