[Resolvido] Após logar erro InvalidOperationException was unhandled

Olá,

	Estou desenvolvendo um sistema com conexão com o banco de dados MySql, porém depois de eu clicar digitar o usuário e senha o sistema vai para Program.cs e da o erro InvalidOperationException was unhandled na linha Application.Run(new Fr_login());

	 

	 

	Fr_login

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using MySql.Data.MySqlClient;
using System.Data;
using daoMySQL;

namespace CSXErp
{
public partial class Fr_login : Form
{
public Fr_login()
{

 InitializeComponent();
 }

 public void logar()
 {
 using (MySqlConnection conexaoMySQL = MySQLDao.getInstancia().getConexao())
 {
 try
 {
 string usuario, senha;
 conexaoMySQL.Open();

 usuario = tb_usuario.Text;
 senha = tb_senha.Text;

 String mSQL = "SELECT COUNT(id) FROM Usuario WHERE usuario = @usuario AND senha = @senha";
 MySqlCommand cmd = new MySqlCommand(mSQL, conexaoMySQL);

 cmd.Parameters.Add("@usuario", MySqlDbType.VarChar).Value = usuario;
 cmd.Parameters.Add("@senha", MySqlDbType.VarChar).Value = senha;

 int v = (int)cmd.ExecuteScalar();

 if (v > 0)
 {
 this.Hide();
 Fr_menu Outroform = new Fr_menu();
 Outroform.ShowDialog();

 }
 else
 {
 MessageBox.Show("Usuario ou senha invalido");
 conexaoMySQL.Close();
 }

 }
 catch(MySqlException msqle)
 {
 MessageBox.Show("Erro na conexão com o Banco de dados:" + msqle.Message,"Erro");
 conexaoMySQL.Close();
 }
 }
 }
 private void Frlogin_load(object sender, EventArgs e)
 {

 }

 private void bt_entrar_click(object sender, EventArgs e)
 {
 logar();
 }

 private void bt_cancelar_Click(object sender, EventArgs e)
 {
 Application.Exit();
 }
 }
}

	Program.cs

	 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace CSXErp
{
static class Program
{

 /// <summary>
 /// The main entry point for the application.
 /// </summary>
 [STAThread]
 static void Main()
 {
 Application.EnableVisualStyles();
 Application.SetCompatibleTextRenderingDefault(false);
 Application.Run(new Fr_login());
 }
 }
}