vb.net Crystal Report ISSUE

using vb.net codeing i print crystal report directly but the following issue raised....


CrystalDecisions.CrystalReports.Engine.InternalExc eption:
Error in File C:\DOCUME~1\UPI00079\LOCALS~1\Temp\temp_9292708f-a0a1-4199-bf42-ec4c97a6c544 {ABC05A85-4931-492A-9AF2-A28367740917}.rpt:
The request could not be submitted for background processing. ---> System.Runtime.InteropServices.COMException (0x800002AD):
Error in File C:\DOCUME~1\UPI00079\LOCALS~1\Temp\temp_9292708f-a0a1-4199-bf42-ec4c97a6c544 {ABC05A85-4931-492A-9AF2-A28367740917}.rpt:
The request could not be submitted for background processing.
at CrystalDecisions.ReportAppServer.Controllers.Repor tSourceClass.GetPage(PageRequestContext pPageRequestContext)
at CrystalDecisions.ReportSource.EromReportSourceBase .GetPage(PageRequestContext pageReqContext)
--- End of inner exception stack trace ---
at CrystalDecisions.ReportAppServer.ConvertDotNetToEr om.ThrowDotNetException(Exception e)
at CrystalDecisions.ReportSource.EromReportSourceBase .GetPage(PageRequestContext pageReqContext)
at CrystalDecisions.CrystalReports.Engine.FormatEngin e.PrintPageEventHandler(Object sender, PrintPageEventArgs e)
at System.Drawing.Printing.PrintDocument.OnPrintPage( PrintPageEventArgs e)
at System.Drawing.Printing.PrintDocument._OnPrintPage (PrintPageEventArgs e)
at System.Drawing.Printing.PrintController.PrintLoop( PrintDocument document)
at System.Drawing.Printing.PrintController.Print(Prin tDocument document)
at System.Drawing.Printing.PrintDocument.Print()
at CrystalDecisions.CrystalReports.Engine.FormatEngin e.PrintToPrinter(Int32 nCopies, Boolean collated, Int32 startPageN, Int32 endPageN)
at CrystalDecisions.CrystalReports.Engine.ReportDocum ent.PrintToPrinter(Int32 nCopies, Boolean collated, Int32 startPageN, Int32 endPageN)
at UnipressMM.PrintFOLabels.report(Boolean errorflag)
at UnipressMM.PrintFOLabels.btnSave_Click(Object sender, EventArgs e)
at System.Windows.Forms.Control.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnMouseUp(MouseEventAr gs mevent)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ButtonBase.WndProc(Message& m)
at System.Windows.Forms.Button.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.O nMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.W ndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)