Ошибка в юнити CS106 c#

Question

Делаю игру на юнити  компилятор выдаёт ошибку  CS106: the modiflier 'public' is not valid for this item помогите решить
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using TMPro;
using UnityEngine.SceneManagement;
public class PlayerManager : MonoBehaviour
{
    public static int playerHealth;
    public static bool gameOver;
    public TextMeshProUGUI playerHealthText;
    public GameObject redOverlay;
    void Start()
    {
        playerHealth=100;
        gameOver= false;
    }
    // Update is called once per frame
    void Update()
    {
        playerHealthText.text = "" + playerHealth;
        if (gameOver)
        {
            SceneManager.LoadScene("test");
        }
         (ошибка в этой строке) public IEnumerator Damage (int damageCount)
    {
        playerHealth -= damageCount;
        
        redOverlay.SetActive(true);
        if (playerHealth <=0)
        gameOver = true;
        yield return new WaitforSeconds(Sf);
        redOverlay.SetActive(false);
    }
    }
}

oscrn · Accepted Answer

using System.Collections; &#10;using System.Collections.Generic; &#10;using UnityEngine; &#10;using TMPro; &#10;using UnityEngine.SceneManagement; &#10; &#10;public class PlayerManager : MonoBehaviour &#10;{ &#10;    public static int playerHealth; &#10;    public static bool gameOver; &#10;    public TextMeshProUGUI playerHealthText; &#10;    public GameObject redOverlay; &#10; &#10;    void Start() &#10;    { &#10;        playerHealth = 100; &#10;        gameOver = false; &#10;    } &#10; &#10;    // Update is called once per frame &#10;    void Update() &#10;    { &#10;        playerHealthText.text = &#34;&#34; + playerHealth; &#10; &#10;        if (gameOver) &#10;        { &#10;            SceneManager.LoadScene(&#34;test&#34;); &#10;        } &#10;    } &#10; &#10;    IEnumerator Damage(int damageCount) &#10;    { &#10;        playerHealth -= damageCount; &#10;        redOverlay.SetActive(true); &#10; &#10;        if (playerHealth <= 0) &#10;        { &#10;            gameOver = true; &#10;        } &#10; &#10;        yield return new WaitForSeconds(1f); // Assuming you want a 1-second delay &#10;        redOverlay.SetActive(false); &#10;    } &#10;} &#10;