Erro na publicação das páginas no servidor

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using MySql.Data;
using MySql.Data.MySqlClient;
using System.Web.Security;
using System.Threading.Tasks;


public partial class adm_Usuarios : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void bntCadastrar_Click(object sender, EventArgs e)
    {


        string StrCon = ConfigurationManager.ConnectionStrings["IPConnectionString"].ConnectionString;
        string SQL = "INSERT INTO im_user(nome, email, email2, senha, departamento, apelido, acesso, periodo, tel1, tel2, creci, endereco, rg, cpf, observacoes) VALUES (";
        SQL += "@nome, @email, @email2, @senha, @departamento, @apelido, @acesso, @periodo, @tel1, @tel2, @creci, @endereco, @rg, @cpf, @observacoes)";
        using (MySqlConnection conn = new MySqlConnection(StrCon))
        {
            using (MySqlCommand cmd = new MySqlCommand(SQL, conn))
            {
                conn.Open();

                cmd.Parameters.AddWithValue("@nome", txtNome.Text);
                cmd.Parameters.AddWithValue("@email", txtEmail.Text);
                cmd.Parameters.AddWithValue("@email2", txtEmail2.Text);
                cmd.Parameters.AddWithValue("@senha", txtSenha.Text);
                cmd.Parameters.AddWithValue("@departamento", ddlAcesso.Text);
                cmd.Parameters.AddWithValue("@apelido", txtApelido.Text);
                cmd.Parameters.AddWithValue("@acesso", ddlAcesso.Text);
                cmd.Parameters.AddWithValue("@periodo", ddlPeriodo.Text);
                cmd.Parameters.AddWithValue("@tel1", txtTel1.Text);
                cmd.Parameters.AddWithValue("@tel2", txtTel2.Text);
                cmd.Parameters.AddWithValue("@creci", txtCreci.Text);
                cmd.Parameters.AddWithValue("@endereco", txtEndereco.Text);
                cmd.Parameters.AddWithValue("@rg", txtRG.Text);
                cmd.Parameters.AddWithValue("@cpf", txtCPF.Text);
                cmd.Parameters.AddWithValue("@observacoes", txtObs.Text);

                if (cmd.ExecuteNonQuery() > 0)
                {
                    lblMsg.Text = "Cad Okey";
                }
                else
                {
                    lblMsg.Text = "Cad Erro";
                }

                conn.Close();
            }
        }



    }
}