Question unity does not always save data to playfab

Hello, I have a problem with saving data to playfab...
my problem is that the data is saved, but only the first time when I log into the room again, the data is not saved. it is about saving the Player level when the player is the first in the table

here is script please can someone help me please?

Code (CSharp):

1.  private void Update()
2.     {
3.      
4.  
5.      
6.             if (TimerScene.timer <= 0 && container.transform.GetChild(0).GetComponent<ScoreBoardItem>().usernameText.text == MyPlayerName && SendScore == true)
7.             {
8.                 StartCoroutine(SaveData());
9.  
10.             }
11.         }
12.  
13.  
14.     IEnumerator SaveData()
15.     {
16.      
17.         SendScore = false;
18.         yield return new WaitForSeconds(1);
19.         UserProfile.Instance.profileData.level += container.transform.GetChild(0).GetComponent<ScoreBoardItem>().Score;
20.         UserProfile.Instance.SetUserData();
21.         Debug.Log(PhotonNetwork.NickName + "." + "Score" + "-" + container.transform.GetChild(0).GetComponent<ScoreBoardItem>().Score);
22.  
23.  
24.     }