Can not access closed stream

See more:

ASP.NET-Core

MAUI

Hi everybody,
Iam developing a Maui.Net app for login to WebApi
Iam getting the error (Can not access closed stream) in android when posting data to api
this is my code

public async Task<UserResponse> Login(string username, string password)
{
	var userInfo = new UserResponse();
	var client = new HttpClient();
	string url = "http://marriedJudgeApi.goldenrayah.com/User/Authenticate";
	client.BaseAddress = new Uri(url);

	var loginDto = new LoginDto(username, password);
	var json = JsonConvert.SerializeObject(loginDto);
	var data = new StringContent(json, Encoding.UTF8, "application/json");

	HttpResponseMessage response = await client.PostAsync(url, data);
	if (response.IsSuccessStatusCode)
	{
		string content = response.Content.ReadAsStringAsync().Result;
		userInfo = JsonConvert.DeserializeObject<UserResponse>(content);
		return userInfo;
	}
	else
	{
		return null;
	}
}

What I have tried:

I have tried put the HttpClint declaration outside then function