BTW is there any way for me to contact you if i had any other question in terms of multiplayer or optimization ?
You can always ask your questions here. Many people are very eager to help here. Also, I try to be active here as I can.
I fixed it finally and i felt really stupid :I , if you check my project again you’ll see something , in 3ds max my unit was in millimeter so in unreal the vehicle was too big and i scaled it in 0.1 and it sort of messed the skeletal mesh i fixed the unit and return the scale to 1 and it worked just fine Thank you for your help