Scriptum/Assets/Scripts/Objects/GoldOre.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System;

public class GoldOre : MonoBehaviour
{
    [SerializeField] public GameObject goldOre;
    
    // Start is called before the first frame update
    void Start()
    {
    }

    // Update is called once per frame
    void Update()
    {
        
    }

    public void DropItem()
    {
        GameObject globalGUI =  GameObject.FindGameObjectsWithTag("GUI")[0];

        if(globalGUI)
        {
            GameObject droppedItem = Instantiate(goldOre, gameObject.transform.position, Quaternion.identity, globalGUI.transform);
            // Object and also ith binded piclable object gets "(Clone)" to its names - we must cut it
            droppedItem.name = goldOre.name;
            droppedItem.GetComponent<PickableController>().item.name = goldOre.name;
            //droppedItem.GetComponent<PickableController>().HandleIndexInScelenObjectList = 
            SceneEquippableItemManager.Instance.AddDynamicItem(droppedItem);

        } else {
            Debug.Log("Can't find global GUI object!!!");
        }
    }
}