unity エラーコード

下記のエラーコードがでる
Assets\script\navmesh.cs(23,32): error CS1503: Argument 1: cannot convert from 'UnityEngine.Transform' to 'UnityEngine.Vector3'

一応これは試しました　https://forum.unity.com/threads/instantiate-help-cannot-convert-from-unityengine-vector3-to-unityengine-transform.436229/

C#
1using System.Collections;
2using System.Collections.Generic;
3using UnityEngine;
4using UnityEngine.AI;
5
6public class navmesh : MonoBehaviour
7{
8   
9
10    NavMeshAgent navMesh;
11
12    void Start()
13    {
14        navMesh = GetComponent<NavMeshAgent>();
15        navMesh.updateRotation = false;
16        navMesh.updateUpAxis = false;
17    }
18
19
20    // Update is called once per frame
21    void Update()
22    {
23        navMesh.SetDestination(GM.instance.livingRoomPos);
24    }
25}

C#
1using System.Collections;
2using System.Collections.Generic;
3using UnityEngine;
4using UnityEngine.UI;
5
6public class GM : MonoBehaviour
7{
8    #region シングルトン
9    public static GM instance;
10    private void Awake()
11    {
12        if(instance == null)
13        {
14            instance = this;
15            DontDestroyOnLoad(this.gameObject);
16        }
17        else
18        {
19            Destroy(this);
20        }
21    }
22    #endregion
23
24
25    public Transform livingRoomPos;
26
27    public Transform kitchenPos;
28
29    public Transform bedPos;
30
31    public Transform toiletPos;
32
33    public Transform washHandroomPos;
34
35    public Text text;
36}