Assets\scriprts\player.cs(21, 44): error CS1503: argument 2: cannot convert from 'charstate' to 'int'

using System.Collections;
using System.Collections.Generic;
using System.ComponentModel.Design.Serialization;
using UnityEngine;

public class Player : MonoBehaviour
{
    [SerializeField]
    private float speed = 3.0F;
    [SerializeField]
    private int lives = 5;
    [SerializeField]
    private float jumpForce = 10.0F;

    private bool isGrounded = false;


    private CharState State
    {
        get { return (CharState)animator.GetInteger("State"); }
        set { animator.SetInteger("State", value); }
    }


    new private Rigidbody2D rigidbody;
    private Animator animator;
    private SpriteRenderer Sprite;

    private void Awake()
    {
        rigidbody = GetComponent<Rigidbody2D>();
        animator = GetComponent<Animator>();
        Sprite = GetComponentInChildren<SpriteRenderer>();
    }

    private void FixedUpdate()
    {
        CheckGround();
    }

    private void Update()
    {
        State = CharState.Idle;

        if (Input.GetButton("Horizontal")) Run();
        if (isGrounded && Input.GetButtonDown("Jump")) Jump();
    }

    private void Run()
    {
        Vector3 direction = transform.right * Input.GetAxis("Horizontal");

        transform.position = Vector3.MoveTowards(transform.position, transform.position + direction, speed * Time.deltaTime);

        Sprite.flipX = direction.x < 0.0F;

        State = CharState.Run;

    }

    private void Jump ()
    {
        State = CharState.Jump;
        rigidbody.AddForce(transform.up * jumpForce, ForceMode2D.Impulse);
    }

    private void CheckGround ()
    {
        Collider2D[] colliders = Physics2D.OverlapCircleAll(transform.position, 0.1F);

        isGrounded = colliders.Length > 1;
    }


}


public enum CharState
{
    Idle,
    Run,
    Jump
}