Why is my Main Camera not loading when using "DontDestroyOnLoad?"

I have a Main Camera and a Virtual Cam. They've been working fine up until this point, as I've just added new scenes. I've added the following to my main camera so as to retain (DontDestroyOnLoad) the camera between scenes:

Code (CSharp):

1. using System.Collections;
2. using System.Collections.Generic;
3. using UnityEngine;
4.  
5. public class CameraController : MonoBehaviour
6. {
7.  
8.     private static bool retainCamera;
9.  
10.     // Start is called before the first frame update
11.     void Start()
12.     {
13.         DontDestroyOnLoad(transform.gameObject);
14.  
15.         //Retain on Load of New Scene
16.         if (!retainCamera)
17.         {
18.             retainCamera = true;
19.             DontDestroyOnLoad(transform.gameObject);
20.             Debug.Log("Camera Loaded");
21.         }
22.         else
23.         {
24.             Destroy(gameObject);
25.         }
26.     }
27. }
28.  

However now when I start up the scenes, I get "Display 1 No Cameras Rendering." Also the Main Camera is gone from the hierarchy.

What could be the reason the main camera isn't loading up at all?

 

Haha it is exactly the case. Thanks!