why the sceen doesn't reload

Code (CSharp):

1. public class OnPlayerDie : MonoBehaviour
2. {
3.  
4.     void Start()
5.     {
6.        
7.     }
8.  
9.  
10.     void Update()
11.     {
12.        
13.     }
14.     void OnTriggerEnter2D(Collider2D other)
15.     {
16.          if (other.gameObject.tag == "playerKiller")
17.         {
18.             Destroy(gameObject);
19.             GameObject go = new GameObject("nextLVL");
20.             nextLVL script = go.AddComponent<nextLVL>();
21.             script.LVLname = Application.loadedLevelName;
22.         }
23.        
24.     }
25.  
26. }
27.  

why when i die the sceen didn't restar

 

prob solved