[C++] błąd podczas kompilacji

#pragma once
#include "GameScreen.h"
#include <SFML/Graphics.hpp>
#include <iostream>
#include "SplashScreen.h"
#include "ScreenManager.h"
#include "MenuManager.h"
#include "GameScreen.h"
class TitleScreen
    : public GameScreen
{
public:
   
    void LoadContent();
    void UnloadContent();
    void UpdateEvent( sf::Event event );
    void Update( sf::RenderWindow & Window );
    void Draw( sf::RenderWindow & Window );
    TitleScreen();
    ~TitleScreen();
   
private:
    sf::Text text;
    sf::Font font;
   
    MenuManager menu; <----tutaj pokazuje b ł ą d
};