Login Failure while send message using WhatsApp api c#

[m1m6]

hi , when i'm trying to send a message using c# api to whatsApp # , it handle the OnLoginFailed event

and show me a message of loginFailed

here's my code

string to = textBox1.Text; string mes = richTextBox1.Text; string from = "970595437560"; WhatsApp wa = new WhatsApp(from, "Ny/=", "M1m6", false, false); wa.OnConnectSuccess += () => { MessageBox.Show("Connected To WhatsApp"); wa.OnLoginSuccess += (phoneNumber,data) => { wa.SendMessage(to, mes); MessageBox.Show("message has been sent successfuly"); };

                wa.OnLoginFailed += (data) =>
                {
                    MessageBox.Show(data.ToString());
                };

                wa.Login();

            };

        wa.OnConnectFailed += (ex) => {
            MessageBox.Show("Connection failed");
        };

        wa.Connect();

@mgp25