runtime nullreferenceexception in Wheelcollider..?

Questions & Answers
1

hi,

i am using eddy vehicle physics for me car game and getting some kind of nullreference exception when i run the scene.
The error is of the following kind-

NullReferenceException
UnityEngine.WheelCollider.get_forwardFriction () (at C:/BuildAgent/work/842f9557127e852/Runtime/ExportGenerated/Editor/NewDynamics.cs:1751)
CarWheel.getForwardPeakSlip () (at Assets/Plugins/EdyVehiclePhysics/CarWheel.js:71)
CarControl.ApplyTraction (.CarWheel Wheel, System.Object motorSlip, System.Object brakeSlip, Single handBrakeInput) (at Assets/Plugins/EdyVehiclePhysics/CarControl.js:364)
CarControl.FixedUpdate () (at Assets/Plugins/EdyVehiclePhysics/CarControl.js:233)

Please help me out in solving the problem.
What could be the probable reason.

2

CarWheel.js

function Start() <— change Awake()