compiler error

private bool gameStarted = false;
[SerializeField]
private Texture gameStateText;
[SerializeField]
private GameObject player;
[SerializeField]
private BirdMovement birdMovement;
[SerializeField]
private FollowCamera followCamera;
private float restartDelay = 3f;
private float restartTimer;
private PlayerMovement playerMovement;
private PlayerHealth playerHealth;





// Use this for initialization
void Start () {
    Cursor.visible = false;


    playerMovement = player.GetComponent<PlayerMovement> ();
    playerHealth = player.GetComponent<PlayerHealth> ();

    // Prevent the player from moving at the start of the game

    playerMovement.enabled = false;

    //prevent teh bird from moving at start

    birdMovement.enabled = false;

    //prevent follow camera from moving

    followCamera.enabled = false;


}

// Update is called once per frame
void Update () {

    // If the game is not started and the player presses the space bar...

    if (gameStarted == false && Input.GetKeyUp (KeyCode.Space)) {

        // ...start game


        StartGame ();

    }
    // If the player is no longer alive...
    if (playerHealth.alive == false) {
        //...end the game
        EndGame();

        //...increment a timer to count up to restarting...
        restartTimer = restartTimer + Time.deltaTime;

        // ... and if it reaches the restart delay...

        if (restartTimer >= restartDelay) {

            // ... then reload the currently loaded scene.
            SceneManager.LoadScene(SceneManager.GetActiveScene().buildIndex);


        }


    }




}


private void StartGame() {


    // Set the game state

    gameStarted = true;

    //Remove the start text

    gameStateText = Color.clear;

    // allow player to move
    playerMovement.enabled = true;

    //allow bird to move

    birdMovement.enabled = true;

    // allow camera to move

    followCamera.enabled = true;





}

private void EndGame() {



    // set the game state

    gameStarted = false;

    //show game over text

    gameStateText.color = Color.white;
    gameStateText.text = "Game Over!";

    // remove player from game

    player.SetActive (false);



}