whenever my player dies, loads game over UI and loads level again its perfectly fine but going through same steps on a second time its giving me error like:
MissingReferenceException: The object of type ‘DontDestroyOnLoad’ has been destroyed but you are still trying to access it.
Your script should either check if it is null or you should not destroy the object.
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.SceneManagement;
public class DontDestroyOnLoad : MonoBehaviour
{
void Awake()
{
DontDestroyOnLoad(gameObject);
SceneManager.sceneLoaded += OnSceneLoaded;
}
void OnSceneLoaded(UnityEngine.SceneManagement.Scene scene, UnityEngine.SceneManagement.LoadSceneMode mode)
{
if (scene.name == "LoseScene")
{
Destroy(gameObject);
}
}
}
Expect to see this error a LOT. It’s easily the most common thing to do when working. Learn how to fix it rapidly. It’s easy. See the above link for more tips.
You need to figure out HOW that variable is supposed to get its initial value. There are many ways in Unity. In order of likelihood, it might be ONE of the following:
drag it in using the inspector
code inside this script initializes it
some OTHER external code initializes it
? something else?
This is the kind of mindset and thinking process you need to bring to this problem:
Step by step, break it down, find the problem.
Here is a clean analogy of the actual underlying problem of a null reference exception: