Packet received out-of-order. Expected 1; got 2. C#

private async void SectionASubmit_Clicked ( object    sender, 
                                            EventArgs e )
  {
  try
    {
    SignalDetails   deserialized = new SignalDetails ( );

    MySqlConnection mySqlConnection = new MySqlConnection ( 
                                            "Server=sql6.freesqldatabase.com;" + 
                                            "Port=3306;" +
                                            "database=sql6407915;" +
                                            "User Id=sql6407915;" +
                                            "Password=Telliant@123;" +
                                            "charset=utf8" );

    if ( mySqlConnection.State == ConnectionState.Closed )
      {
      MySqlCommand cmd;
      string       query = String.Empty;

      mySqlConnection.Open ( );
      query = "INSERT INTO SignalDetails ( Action, " +
                                          "Object, " +
                                          "Buyat, " +
                                          "TP1, " +
                                          "TP2, " +
                                          "SL, " +
                                          "isActive ) " +  
                                 "VALUES ( @Action, " +
                                          "@Object, " +
                                          "@Buyat, " +
                                          "@TP1, " +
                                          "@TP2, " +
                                          "@SL, " +
                                          "@isActive)";

      cmd = new MySqlCommand ( query, mySqlConnection );
      cmd.Parameters.AddWithValue ( "@ticker", deserialized.Action );
      cmd.Parameters.AddWithValue ( "@bid", deserialized.Object );
      cmd.Parameters.AddWithValue ( "@ask", deserialized.Buyat );
      cmd.Parameters.AddWithValue ( "@open", deserialized.TP1 );
      cmd.Parameters.AddWithValue ( "@low", deserialized.TP2 );
      cmd.Parameters.AddWithValue ( "@high", deserialized.SL );
      cmd.Parameters.AddWithValue ( "@isActive", "true" );
      cmd.ExecuteNonQuery ( );
      cmd.Parameters.Clear ( );
      cmd.Connection.Close ( );
      }
    DisplayAlert ( "Success", "Signal Send Successfully", "ok" );
    await Navigation.PushAsync ( new ItemsPage ( ) );
    }
  catch ( Exception ex )
    {
    DisplayAlert ( "Error", ex.Message, "ok" );
    throw ex;
    }
  }