UnityEngine.Touch error

I have this script that is suppose to handle mobile touch input I found on forum but I keep getting the error message

error CS0030: Cannot convert type UnityEngine.Touch' to Touch'

   using UnityEngine;
     using System.Collections;
     using System.Collections.Generic;
     
     public class TouchInput : MonoBehaviour {
     
         public LayerMask TouchInputMask;
     
         private List<GameObject> touchList = new List<GameObject>();
         private GameObject[] touchesOld;
     
         public RaycastHit hit;
     
     
         void Update () {        
     
     
                 if (Input.touchCount > 0){
     
                     touchesOld = new GameObject[touchList.Count];
                     touchList.CopyTo(touchesOld);
                     touchList.Clear();
     
     
     
                     foreach (Touch touch in Input.touches) {  //This is where the error is coming from.
     
                     Ray ray = camera.ScreenPointToRay(touch.position);
                     RaycastHit hit;
     
                 if(Physics.Raycast(ray,out hit,TouchInputMask)){
     
                     GameObject recipient = hit.transform.gameobject;
                     touchList.add(recipient);
     
                     if(touch.phase == TouchPhase.Began){
                         recipient.SendMessage("OnTouchDown",hit.point,SendMessageOptions.DontRequireReceiver);
                     }
     
                     if(touch.phase == TouchPhase.Ended){
                         recipient.SendMessage("OnTouchUp",hit.point,SendMessageOptions.DontRequireReceiver);
                     }
     
                     if(touch.phase == TouchPhase.Stationary){
                         recipient.SendMessage("OnTouchStay",hit.point,SendMessageOptions.DontRequireReceiver);
                     }
     
                     if(touch.phase == TouchPhase.Canceled){
                         recipient.SendMessage("OnTouchExit",hit.point,SendMessageOptions.DontRequireReceiver);
                     }
     
                 }
             }
     
             foreach (GameObject g in touchesOld){
                 if (!touchList.Contains(g)){
                     g.SendMessage("OnTouchExit",hit.point,SendMessageOptions.DontRequireReceiver);
                 }
             }
     
         }
                 }
     
             
     }