//Erro neste ponto
                            table = new DataTable();
                            table = dst.Clone();
                            table.Clear();
                            set = new DataSet();


 public static void ImprimeCartas()
        {

            try
            {
                List<Itens> list = new List<Itens>();
                Uteis.Status("Inicio Consulta", servico);

                DataTable dst = new DataTable();
                string id = "0";
                ConsultaImpressao(dst, id, "0");

                dst.TableName = "DADOS";
                Uteis.Status(string.Concat(new object[] { "Consulta : ", dst.Rows.Count, " - ", DateTime.Now.ToString() }), servico);


                if (dst.Rows.Count > 0)
                {
                    string str2 = AppDomain.CurrentDomain.BaseDirectory + "//Relatorios/Notificacao/" + dst.Rows[0]["modelo"].ToString();
                    Uteis.Status("Arquivo usado" + str2, servico);
                    if (!string.IsNullOrEmpty(str2))
                    {
                        int num = 0;
                        int itens = 1;
                        Uteis.Status("Gerando PDF " + dst.Rows.Count + " Registros", servico);
                        DataTable table = dst.Clone();
                        table.Clear();
                        table.TableName = "DADOS";
                        DataSet set = new DataSet();
                        string str3 = Uteis.TempName();
                        int num3 = 0x31;
                        Uteis.Status((dst.Rows.Count / num3) + " Arquivos", servico);

                        for (int i = 0; i < dst.Rows.Count; i++)
                        {

                            num++;
                            table.ImportRow(dst.Rows[i]);
                            if (num > num3)
                            {
                                try
                                {
                                    set.Tables.Add(table);
                                    DocumentContainer container = DocumentContainer.Load(str2);
                                    container.MergeWithRegions(set);
                                    container.SalvarPdf(string.Concat(new object[] { AppDomain.CurrentDomain.BaseDirectory, "//Temp//", str3, "_", itens, ".pdf" }));
                                    ApagaPaginasemBranco(string.Concat(new object[] { AppDomain.CurrentDomain.BaseDirectory, "//Temp//", str3, "_", itens, ".pdf" }));
                                    Uteis.Status(string.Concat(new object[] { "Gerando arquivo ", str3, "_", itens, ".pdf" }), servico);
                                    object[] objArray5 = new object[] { AppDomain.CurrentDomain.BaseDirectory, "//Temp//", str3, "_", itens, ".pdf" };
                                    list.Add(new Itens(string.Concat(objArray5)));
                                    num = 0;
                                    itens++;

                                    //Erro neste ponto
                                    table = new DataTable();
                                    table = dst.Clone();
                                    table.Clear();
                                    set = new DataSet();
                                }
                                catch (Exception ex)
                                {
                                    Uteis.GravaLogTxt("ImprimeCartas erro : ", ex.Message);
                                }


                            }


                        }

                    }
                }
                else
                {
                    Uteis.Status("sem registros", servico);
                }
            }
            catch (Exception exception)
            {
                Uteis.Status(exception.Message, servico);
            }
            servico = 0;
            Uteis.GravaLogTxt("ImprimeCartas", "final");
        }