"Can not play a disabled audio source" so how do i enable it?

Questions & Answers
1

using UnityEngine;
using System.Collections;

public class PlayerControl : MonoBehaviour
{

    public float speed;
public GUIText countText;
public GUIText winText;
    private int count;

    void start ()
{
			count = 0;
	gameObject.audio.enabled = true;
	SetCountText ();
	winText.text = ("");
	}

    void Update ()
	{
		float moveHorizontal = Input.GetAxis ("Horizontal");
		float moveVertical = Input.GetAxis("Vertical");

		Vector3 movement = new Vector3 (moveHorizontal, 0.0f, moveVertical);

		rigidbody.AddForce (movement * speed * Time.deltaTime);
   }

ulong BlipSound {
	get;
	set;
}

  void OnTriggerEnter(Collider other) 
   {
	if(other.gameObject.tag == "Pick up")
	{
		other.gameObject.SetActive(false);
		other.gameObject.audio.Play(BlipSound);
		count = count + 1;
		SetCountText ();
    }
}
void SetCountText ()
{
	countText.text = "Count: " + count.ToString ();
	if(count >= 10)
	{
	  winText.text = "YOU WIN!";
    }
}}
2

Change start() to Start()