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 = &#34;&#34; + playerHealth;

if (gameOver)
        {
            SceneManager.LoadScene(&#34;test&#34;);
        }
         (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 · Answer

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 = &#34;&#34; + playerHealth; 
 
        if (gameOver) 
        { 
            SceneManager.LoadScene(&#34;test&#34;); 
        } 
    } 
 
    IEnumerator Damage(int damageCount) 
    { 
        playerHealth -= damageCount; 
        redOverlay.SetActive(true); 
 
        if (playerHealth <= 0) 
        { 
            gameOver = true; 
        } 
 
        yield return new WaitForSeconds(1f); // Assuming you want a 1-second delay 
        redOverlay.SetActive(false); 
    } 
}