Ошибка в юнити CS0246

ошибка: error CS0246: The type or namespace name 'CharaterController' could not be found (are you missing a using directive or an assembly reference?)

код:
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PlayerControlle1: MonoBehaviour
{
public float moveSpeed = 5.0f;

private CharaterController controller;

private void Start()
{
controller = GetComponent<CharaterController>();
Cursor.lockState = CursorLockMode.Locked;
Cursor.visible = false;
}

private void Update()
{
float horizontalInput = Input.GetAxis("Horizontal");
float verticalInput = Input.GetAxis("Vertical");

Vector3 moveDirection = transform.forward * verticalInput * transform.right * horizontalInput;

moveDirection.y -= 9.81f * Time.deltaTime;

controller.Move(moveDirection * moveSpeed * Time.deltaTime);
}
}