Ändrade synlighet och satte [SerializeField] på player

Assets/Scenes/SampleScene.unity

@@ -525,7 +525,7 @@ GameObject:
   - component: {fileID: 712895112}
   m_Layer: 0
   m_Name: Boll
-  m_TagString: Untagged
+  m_TagString: Player
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0

Assets/Scripts/CameraFollow.cs

@@ -1,14 +1,15 @@
 using UnityEngine;
 
 public class CameraFollow : MonoBehaviour {
-    public GameObject player;
-    private Vector3 offset;
+    GameObject _player;
+    Vector3 _offset;
 
     void Start() {
-        offset = transform.position;
+        _player = GameObject.FindGameObjectWithTag("Player");
+        _offset = transform.position;
     }
 
     void LateUpdate() {
-        transform.position = player.transform.position + offset;
+        transform.position = _player.transform.position + _offset;
     }
 }