Need Help! ArgumeentException: Input path is null

Unity Engine
1

I am having issues with the textures displaying in the container, this is what i have. Can anyone help me?

    public GameObject levelbuttonprefab;
    public GameObject LevelButtonContainer;
    public GameObject ShopButtonPrefab;
    public GameObject ShopButtonContainer;

    private Transform cameraTransform;
    private Transform cameraDesiredLookAt;
    private string Player;

    private void Start()
    {
        cameraTransform = Camera.main.transform;

        Sprite[] thumbnails = Resources.LoadAll<Sprite>("Levels");
        foreach(Sprite thumbnail in thumbnails)
        {
            GameObject container = Instantiate (levelbuttonprefab) as GameObject;
            container.GetComponent<Image> ().sprite = thumbnail;
            container.transform.SetParent(LevelButtonContainer.transform, false);

            string sceneName = thumbnail.name;
            container.GetComponent<Button>().onClick.AddListener (() => LoadLevel(sceneName));
        }

        Sprite[] textures = Resources.LoadAll<Sprite>(Player);
        foreach (Sprite texture in textures)
        {
            GameObject container = Instantiate(ShopButtonPrefab) as GameObject;
            container.GetComponent<Image>().sprite = texture;
            container.transform.SetParent(parent: ShopButtonContainer.transform; false);
        }

        if(cameraDesiredLookAt != null)
        {
            cameraTransform.rotation = Quaternion.Slerp(cameraTransform.rotation, cameraDesiredLookAt.rotation, 3 * Time.deltaTime);
        }
    }

This is what i was working on when the problem started.

2

Your setparent call doesn’t look right.

container.transform.SetParent(parent: ShopButtonContainer.transform; false);

container.transform.SetParent(ShopButtonContainer.transform, false);

Note that instantiate also allows you to declare a parent

GameObject container = Instantiate(ShopButtonPrefab, ShopButtonContainer.transform) as GameObject;