Placement indicator script does not work properly

Unity Engine
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1

I made an empty object and called it “Placement Indicator”, I added a plane to its children, then I added ARRayCastManager to my “AR Session Origin” in the project. I wrote this C# script :

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.XR.ARFoundation;
using UnityEngine.XR.ARSubsystems;

public class PlacementIndicator : MonoBehaviour
{
    private ARRaycastManager RayManager;
    private GameObject target;
    // Start is called before the first frame update
    void Start()
    {
        RayManager = FindObjectOfType<ARRaycastManager>();
        target = transform.GetChild(0).gameObject;

        target.SetActive(false);
    }

    // Update is called once per frame
    void Update()
    {
        List<ARRaycastHit> hits = new List<ARRaycastHit>();
        RayManager.Raycast(new Vector2(Screen.width / 2, Screen.height / 2), hits, TrackableType.Planes);

        if(hits.Count > 0)
        {
            transform.position = hits[0].pose.position;
            transform.rotation = hits[0].pose.rotation;

            if (!target.activeInHierarchy)
                target.SetActive(true);
        }

    }
}

And then, when I run the app on my phone, there is no placement indicator (and I’m sure it hits planes, as I tested with Plane Manager).

What are the possibilities of this “malfunctioning” here?

2

I just reply for this to go up.