how to fix this dont play animation and prefabs?,how to fix this

using UnityEngine; using System.Collections; using UnityEngine.UI; using System; using EnergySuite; using UnityEngine.SceneManagement;

 public class ExampleEnegrySuite : MonoBehaviour
 {

 public static UiManager instance;

 public Text CurrentLifeAmountText;
     public Text LifeTimeLeftText;
     public Slider LifeTimeLeftSlider;
     public Button AddLifeButton;
     public Button UseLifeButton;
     public GameObject gameOverPanel;
     public GameObject startUI;
     public GameObject gameOverText;
     public Text scoreText;
     public Text highScoreText;






 void OnEnable()
     {
         //Example
         Time.timeScale = 0;

         EnergySuiteManager.OnAmountChanged += OnAmountChanged;
         EnergySuiteManager.OnTimeLeftChanged += OnTimeLeftChanged;
         AddLifeButton.onClick.AddListener(AddLifeButtonClicked);
         UseLifeButton.onClick.AddListener(UseLifeButtonClicked);
         
 }

     void OnDisable()
     {
         EnergySuiteManager.OnAmountChanged -= OnAmountChanged;
         EnergySuiteManager.OnTimeLeftChanged -= OnTimeLeftChanged;
         AddLifeButton.onClick.RemoveListener(AddLifeButtonClicked);
         UseLifeButton.onClick.RemoveListener(UseLifeButtonClicked);
         
     }
 void Awake()
 {
     if (instance == null)
     {
         //instance = this;
     }
 }

 void Start()
     {
     scoreText.text = ScoreManager.instance.score.ToString();
     CurrentLifeAmountText.text = EnergySuiteManager.GetAmount(TimeValue.Life) + "/" + EnergySuiteManager.GetMaxAmount(TimeValue.Life);
         
     }

 public void GameStart()
 {
     startUI.SetActive(false);
 }

 public void GameOver()
 {

     gameOverText.SetActive(true);
     highScoreText.text = "HIGH SCORE: " + PlayerPrefs.GetInt("HighScore");
     gameOverPanel.SetActive(true);
 }

 public void Replay()
 {
     SceneManager.LoadScene("level1");
 }

 public void Menu()
 {
     SceneManager.LoadScene("Menu");
 }


 void AddLifeButtonClicked()
     {
         EnergySuiteManager.Add(TimeValue.Life, 1);
     }

     void UseLifeButtonClicked()
     {
         EnergySuiteManager.Use(TimeValue.Life, 1);

         Debug.Log("Used life");
     }

     void OnAmountChanged(int amount, TimeBasedValue timeBasedValue)
     {
         string text = amount + "/" + timeBasedValue.MaxAmount;

         switch (timeBasedValue.Type)
         {
             case TimeValue.Life:
                 CurrentLifeAmountText.text = text;
                 break;
             
             
         }
     }

     void OnTimeLeftChanged(TimeSpan timeLeft, TimeBasedValue timeBasedValue)
     {
         string formatString = string.Format("{0:00}:{1:00}", timeLeft.Minutes, timeLeft.Seconds);
         float sliderValue = EnergySuiteManager.ConvertToSliderValue(timeLeft, timeBasedValue);

         switch (timeBasedValue.Type)
         {
             case TimeValue.Life:
                 LifeTimeLeftText.text = formatString;
                 LifeTimeLeftSlider.value = sliderValue;
                 break;
             
         }
     }

 

}