Ошибка UnassignedReferenceException: The variable ingameCamera of FPH_NumPad_Interactor has not been assigned

using UnityEngine;
using System.Collections;
 
public class FPH_NumPad_Interactor : MonoBehaviour {
    
    public GameObject numpadCamera;
    public GameObject ingameCamera;
    
    public string codeToCheck;
 
    // If the code we entered on the numpad is right we can send a message to an object or save a value
    public string[] onOkArray = new string[] {"SendMessage", "SetVar"};
    public int onOk;
    public bool reEnableOnOk; // Do you want to reenable the collider when you exit the numpad screen?
 
    public GameObject sendMessageTo; // Object you want to send the message to
    public string messageToSend; // The message we want to send
    
    public string[] keyTypeArray = new string[] {"Float", "Int", "String", "Bool"};
    public int keyType;
 
    // In case you want to save a value you can choose from four different value
    public string neededKey;
    public float valueToSet_Float;
    public int valueToSet_Int;
    public string valueToSet_String;
    public bool valueToSet_Bool;
 
    private Collider thisColl;
 
 
    // Use this for initialization
    void Start(){
        thisColl = gameObject.GetComponent<Collider>();
    
        if(onOk == 1){ // SetVar
            // We check if the value has been setted before, in this case we toggle the collider
            if(keyType == 0){ // Float
                float floatToCheck = PlayerPrefs.GetFloat(neededKey);
                if(floatToCheck == valueToSet_Float){
                    thisColl.enabled = false;
                }
            }
            else if(keyType == 1){ // Int
                int intToCheck = PlayerPrefs.GetInt(neededKey);
                if(intToCheck == valueToSet_Int){
                    thisColl.enabled = false;
                }
            }
            else if(keyType == 2){ // String
                string stringToCheck = PlayerPrefs.GetString(neededKey);
                if(stringToCheck == valueToSet_String){
                    thisColl.enabled = false;
                }
            }
            else if(keyType == 3){ // Bool
                bool boolToCheck = FPH_ControlManager.LoadBool(neededKey);
                if(boolToCheck == valueToSet_Bool){
                    thisColl.enabled = false;
                }
            }
        }
    }
    
    // Update is called once per frame
    void Update(){
    
    }
 
    public void Interact(){
        FPH_ControlManager.isScreenLocked = false; 
       //  Screen.lockCursor = false;
        ingameCamera.SetActive(false);
        thisColl.enabled = false;
        numpadCamera.SetActive(true);
        FPH_ControlManager.canBeControlled = false;
        
    }
 
    // If the code is right we send the message/setvalue and then deactivate the numpadCamera
    public void DoneCode(){
        if(onOk == 0){ // SendMessage
            if(sendMessageTo != null){
                sendMessageTo.SendMessage(messageToSend);
            }
            if(sendMessageTo == null){
                Debug.LogWarning("No receiver for message - FPH_NumPad_Interactor " + this.gameObject.name);
            }
 
            if(reEnableOnOk){
                thisColl.enabled = true;
            }
            ingameCamera.SetActive(true);
            numpadCamera.SetActive(false);
            FPH_ControlManager.canBeControlled = true;
            FPH_ControlManager.isScreenLocked = true; // Screen.lockCursor = true;
        }
        else if(onOk == 1){ // SetVar
            if(keyType == 0){ // Float
                PlayerPrefs.SetFloat(neededKey, valueToSet_Float);
            }
            else if(keyType == 1){ // Int
                PlayerPrefs.SetInt(neededKey, valueToSet_Int);
            }
            else if(keyType == 2){ // String
                PlayerPrefs.SetString(neededKey, valueToSet_String);
            }
            else if(keyType == 3){ // Bool
                FPH_ControlManager.SaveBool(neededKey, valueToSet_Bool);
            }
 
            if(reEnableOnOk){
                thisColl.enabled = true;
            }
            ingameCamera.SetActive(true);
            numpadCamera.SetActive(false);
            FPH_ControlManager.canBeControlled = true;
            FPH_ControlManager.isScreenLocked = true; // Screen.lockCursor = true;
        }
    }
 
    public void ExitNumpad(){
        FPH_ControlManager.isScreenLocked = true; // Screen.lockCursor = true;
        thisColl.enabled = true;
        ingameCamera.SetActive(true);
        numpadCamera.SetActive(false);
        FPH_ControlManager.canBeControlled = true;
    }
}