Why is this not working all of the sudden?

Hi!
This Splash Script has worked throughout the entire development of this game, both the PC and Switch build, and today it decided not to work anymore... Why is that? I didnt update Unity or anything...

Code (csharp):

1.  
2.  
3. using System.Collections;
4. using System.Collections.Generic;
5. using UnityEngine;
6. using UnityEngine.SceneManagement;
7. public class SplashSequence : MonoBehaviour
8. {
9.     void Start ()
10.     {
11.       StartCoroutine (ToSplashTwo());
12.     }
13.     IEnumerator ToSplashTwo()
14.     {
15.         yield return new WaitForSeconds(2f);
16.         LoadNextScene();
17.     }
18.     public void LoadNextScene()
19.     {
20.         SceneManager.LoadScene(SceneManager.GetActiveScene().buildIndex + 1);
21.     }
22. }
23.  
24.  

Does it look wrong or why won't it work?
Thanks in advance!

 

You need to explain what you mean by it "not working". What is it supposed to do, and what is it doing instead?

 

ah sorry... Its suppose to bring me to the next scene after 2 Sec.. But it just freeze on the first Spash Screen... S:

 

Edit... Restarted the PC and now it works again... Very spoooky :S