Object referance not set to an instance of an object

Questions & Answers
1

Hi Guys. Im making First Person Zombie Shooter and there is a problem can anybody help me?

script is here

void RayShoot()
{
	v3DirectionRay = transform.TransformDirection(Vector3.forward);
	if(Physics.Raycast(transform.position , v3DirectionRay ,out rhHit , fRange))
	{
		if(rhHit.rigidbody)
		{
			int iZombieHealth;
			rhHit.rigidbody.AddForceAtPosition(v3DirectionRay * fForce, rhHit.point);
		  	iZombieHealth = rhHit.rigidbody.gameObject.GetComponent<ZombieHealth>().iHealth - 10;
			Debug.Log(iZombieHealth);
			
			
			
		}
	}
2

What line are you getting that error on?

‘not set to an instance’ usually pops up when you tried to refer to an object that’s not been instantiated yet. Do you maybe have a reference to a prefab that you haven’t instantiated yet?