wave spawn problems

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1

My unity crashes when I use this script are there any problems with it?

`#pragma strict
public var prefab : Transform;

var spawnnumber = 1;
static var spawnhealth = 50;
var spawngap = 20;
var numberspawned = 0;
//var robot = Transform;

function spawnnow () {
Debug.Log("spawnnow");
numberspawned = spawnnumber;
if (numberspawned > 0){
Instantiate(prefab, transform.position, transform.rotation);
Debug.Log("1 spawned");
WaitForSeconds(1);
numberspawned = numberspawned - 1;
spawnnow();
}
if(numberspawned == 0) {
spawn();
}
}




function spawn () {
Debug.Log("spawning");
spawnnow();
WaitForSeconds(spawngap);
//spawngap = spawngap - 1;
spawnnumber = spawnnumber + 1;
}


function Awake () {
Debug.Log("started");
WaitForSeconds(1);
spawn();
}

`
2

The code has no errors at first glance. I copied and pasted it looked fine I hit play and your right it literaly crashed unity. I had to force it closed to get out. but on closer inspection
you do not have yield in front of waitsecond so I added that and it shines a light on your recursive errors where you have not declared a return type.

#pragma strict

public var prefab : Transform;
 
var spawnnumber = 1;
static var spawnhealth = 50;
var spawngap = 20;
var numberspawned = 0;
//var robot = Transform;
 
function spawnnow ():IEnumerator {
	Debug.Log("spawnnow");
	numberspawned = spawnnumber;
	if (numberspawned > 0){
		Instantiate(prefab, transform.position, transform.rotation);
		Debug.Log("1 spawned");
		yield WaitForSeconds(1);
		numberspawned = numberspawned - 1;
		spawnnow();
	}
	if(numberspawned == 0) {
		spawn();
	}
}
 
 
 
 
function spawn ():IEnumerator {
	Debug.Log("spawning");
	spawnnow();
	yield WaitForSeconds(spawngap);
	//spawngap = spawngap - 1;
	spawnnumber = spawnnumber + 1;
}
 
 
function Start () {
	Debug.Log("started");
	yield WaitForSeconds(1);
	spawn();
}