Can someone help me ?

I have a circle and i want to jump when i click on it …please help i am new at this :cry:

my code is :

using UnityEngine;

public class flapcontroller : MonoBehaviour {

public float flapSpeed = 100f;
private Rigidbody2D rigidbody;
private bool didFlap;

 public void Start () 
 {
     this.rigidbody = this.GetComponent<Rigidbody2D> ();
 }
 

 public void Update () 
 {
     if (Input.GetButtonDown ("Fire1")) 
     {
         this.didFlap = true;
     }
 }

 public void FixedUpdate()
 {
     if (didFlap) 
     {
         didFlap = false;

         this.rigidbody.AddForce (new Vector2 (0, flapSpeed));
     }
         
 }
}

this.rigidbody.AddForce (new Vector2(0, flapSpeed), ForceMode2D.Impulse);

It doesn’t work … :cry: something is missing. I don’t know what,
quote: The referenced script on this Behaviour (Game Object ‘circle1’) is missing!
Pleas helpp !!!