Ошибка c# Unity

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Player : MonoBehaviour
{
public float speeed;

private Rigidbody rb;
private Vector2 moveInput;
private Vector2 moveVelocity;

private void Start()
{
rb = GetComponent<Rigidbody>();
}

private void Update()
{
moveInput = new Vector2(Input.GetAxis("Horizontal"), Input.GetAxisRaw("Vertical"));
moveVelocity = moveInput.normalized * speeed;
rb.velocity = moveVelocity;
}

void FixedUpdate()
{
rb.MovePosition(rb.position + moveVelocity * Time.fixedDeltaTime);
}

}