Photon RPC doesn't work ,It's only works in local

 private void Awake()
     {
         trackl = GameObject.Find("SM_Veh_German_Tank_01_Track_l");
         trackr = GameObject.Find("SM_Veh_German_Tank_01_Track_r");
     }
 
     #region Movement
     void moveGround()
     {
         if (Input.GetKey(KeyCode.W))
         {
 
             Speed += Time.deltaTime;
 
             this.photonView.RPC("TrackchangeMapForward1", RpcTarget.All);
             this.photonView.RPC("TrackchangeMapForward1", RpcTarget.MasterClient);
 
         }
 
         if (Input.GetKey(KeyCode.S))
         {
 
             Speed += Time.deltaTime;
             this.photonView.RPC("TrackchangeMapBack1", RpcTarget.All);
             this.photonView.RPC("TrackchangeMapBack1", RpcTarget.MasterClient);
 
         }
 
         if (Input.GetKey(KeyCode.A))
         {
 
             Speed += Time.deltaTime;
             this.photonView.RPC("TrackchangeMapLeft1", RpcTarget.All);
             this.photonView.RPC("TrackchangeMapLeft1", RpcTarget.MasterClient);
 
         }
 
         if (Input.GetKey(KeyCode.D))
         {
 
             Speed += Time.deltaTime;
             this.photonView.RPC("TrackchangeMapRight1", RpcTarget.All);
             this.photonView.RPC("TrackchangeMapRight1", RpcTarget.MasterClient);
 
         }
 
     }
 
     #endregion
     void Start()
     {
         
     }
 
     // Update is called once per frame
     
     void FixedUpdate()
     {
         if (photonView.IsMine)
         {
 
             moveGround();
         }
 
     }
    
 
     #region RPC
     [PunRPC]
     void TrackchangeMapForward1()
     {
        
            
             trackl.GetComponent<Renderer>().material.SetTextureOffset("_MainTex", new Vector2(0, -Speed));
             trackr.GetComponent<Renderer>().material.SetTextureOffset("_MainTex", new Vector2(0, -Speed));
     }
 
     [PunRPC]
     void TrackchangeMapBack1()
     {
        
             //Speed += Time.deltaTime;
             trackl.GetComponent<Renderer>().material.SetTextureOffset("_MainTex", new Vector2(0, Speed));
             trackr.GetComponent<Renderer>().material.SetTextureOffset("_MainTex", new Vector2(0, Speed));
        
        
     }
 
     [PunRPC]
     void TrackchangeMapLeft1()
     {
       
             //Speed += Time.deltaTime;
             trackl.GetComponent<Renderer>().material.SetTextureOffset("_MainTex", new Vector2(0, Speed));
             trackr.GetComponent<Renderer>().material.SetTextureOffset("_MainTex", new Vector2(0, -Speed));
         
        
     }
 
     [PunRPC]
     void TrackchangeMapRight1()
     {
         
            // Speed += Time.deltaTime;
             trackl.GetComponent<Renderer>().material.SetTextureOffset("_MainTex", new Vector2(0, -Speed));
             trackr.GetComponent<Renderer>().material.SetTextureOffset("_MainTex", new Vector2(0, Speed));
        
       
     }
 
     #endregion