Assets/BallControl.js(9,30): BCE0024: The type ‘UnityEngine.Rigidbody’ does not have a visible constructor that matches the argument list ‘(UnityEngine.Vector3)’. what does that mean?
It means that, on line 9 of the BallControl.js script, you’re trying to call:
Instantiate (SomeRigidbody, SomeVector3);
You need to supply a rotation for the instantiated object as the third parameter - use Quaternion.identity if you’re not sure.
It’s all in the manual:
And you might want to watch: https://unity3d.com/learn/tutorials/modules/beginner/scripting/instantiate