Crystal Reports : Table Doesn't exists Error

Hello People

I have two crystal reports with same ms access database. One crystal report with using table"GenderSample" is working. While the other report using table "Apartment" is not working. I am using two .aspx files to export crystal report into PDF. Both use the same code but using different datatables.

Bolow code is givng me error that "The Microsoft Jet database engine cannot find the input table or query "Apartment".Though the table " Apartment" is there in the database.

OleDbCommand cmd = new OleDbCommand();
        cmd.Connection = cn;
        cmd.CommandText = "select * from Apartment"; // other crystal report uses GenderSample instead of Apartment
        OleDbDataAdapter da = new OleDbDataAdapter();
        da.SelectCommand = cmd;
        DataTable datatable = new DataTable();
        da.Fill(datatable); // getting value according to imageID and fill dataset
        ReportDocument crystalReport = new ReportDocument(); // creating object of crystal report
        crystalReport.Load(Server.MapPath("~/CopyofCrystalReport.rpt")); // path of report 
        crystalReport.SetDataSource(datatable); // binding datatable
        CrystalReportViewer1.ReportSource = crystalReport;
        crystalReport.ExportToHttpResponse(CrystalDecisions.Shared.ExportFormatType.PortableDocFormat, Response, true, "PersonDetails");

* Note: This error is on the production server on localhost the same thing is working well.

Please let me know what could be the cause. Thanks