Whats Wrong?

[Griffo]

Hi, I’m trying to make an Array of game objects at Start found around an enemy using Physics.OverlapSphere,
i thought this script I’ve done would do it, but says on the second find -

NullReferenceException: Object reference not set to an instance of an object

If I remark out

concreteBarriers *= current.gameObject;*

it prints out all the names and numbers up to the 16 it finds, can someone point me in the right direction please.
function Start()
{
hide();
}

function hide()
{

var colliders : Collider[] = Physics.OverlapSphere (transform.position, lookForCoverRange);
var cover : GameObject[];

for (var current : Collider in colliders)
{
print(current.name + " Number " + i);
cover = current.gameObject;
i++;
}
}

[Doireth]

the “cover” array has not been initialised. Try

var cover : GameObject[] = new GameObject[colliders.Length];