Additional information: Could not find specified column in results: admin

public int getLevel()
    {
        string sqlCommand = "Select level from users where username = 'admin'";
        int value = 0;

        MySqlConnection con = new MySqlConnection("host=45.37.80.181;user=admin;password=V9_PfUYP2gqG!cuJTgyh;database=tcg;");
        MySqlCommand cmd = new MySqlCommand(sqlCommand, con);

        con.Open();

        MySqlDataReader reader = cmd.ExecuteReader();

        while (reader.Read())
        {
            value += int.Parse(reader.GetString("admin"));
        }
        return value;
    }