The object appears elsewhere. What to do?

Question

C++ / C#

Pay attention to the LetGo coroutine. The object appears elsewhere.

using System.Collections;
using UnityEngine;

public class ArrowController : MonoBehaviour
{
    public Rigidbody2D ArrowRb;
    public GameObject _arrow;
    public GameObject bow;


    bool _isPressed;
    public bool isShot;

    public float LounchForce;
    public float speed;
    public float MaxDistance;
    float ArrowDistance;

    Vector2 StartPoint;
    Vector2 EndPoint;

    public GameObject ArrowPrefab;
    public Transform SpawnPoint;




    void Start()
    {
        ArrowRb.isKinematic = true;
    }

       void FixedUpdate()
       {
        GetButton();
        isPressed();
        ArrowAngle();
       }

    void GetButton()
    {
        if (isShot == false)
        {
            if (Input.GetButtonDown("Fire1"))
            {
                StartPoint = Camera.main.ScreenToWorldPoint(Input.mousePosition);
                _isPressed = true;
            }

            if (Input.GetButtonUp("Fire1"))
            {
                _isPressed = false;
                isShot = true;
                ArrowRb.isKinematic = false;
                ArrowRb.AddRelativeForce(_arrow.transform.right * LounchForce * ArrowDistance, ForceMode2D.Impulse);
                StartCoroutine(LetGo());
            }
        }
    }

    void isPressed()
    {
        ArrowDistance = Vector2.Distance(_arrow.transform.position, bow.transform.position);
        if (_isPressed)
        {
            if (ArrowDistance > MaxDistance)
            {
                ArrowDistance = MaxDistance - 0.03f;
            }
            else
            {
                EndPoint = Camera.main.ScreenToWorldPoint(Input.mousePosition);

                Vector3 _Direction = StartPoint - EndPoint;

                _arrow.transform.position -= _Direction * 0.005f;


                
            }
            

        }
    }



    void ArrowAngle()
    {
        Vector2 Vec = ArrowRb.velocity;
        var angle = Mathf.Atan2(Vec.y, Vec.x) * Mathf.Rad2Deg;
        transform.rotation = Quaternion.AngleAxis(angle, Vector3.forward);
    }

    void OnCollisionEnter2D(Collision2D collision)
    {
        ArrowRb.velocity = Vector2.zero;
        ArrowRb.isKinematic = true;

    }


    IEnumerator LetGo()
    {
        yield return new WaitForSeconds(0.5f);
        GameObject newArrow = Instantiate(ArrowPrefab, SpawnPoint.position, SpawnPoint.rotation);
    }
}

Answer 1

You didn't specify the position and rotation of the SpawnPoint anywhere.

void Start()
    {
        SpawnPoint.position = new Vector(x,y,z);
        ArrowRb.isKinematic = true;
    }