Hi,
I have error in using crystal report in my web application.Can anyone tell the possible causes for this error and how to rectify them??

Error in File UNKNOWN.RPT:
The request could not be submitted for background processing.

Exception Details:System.Runtime.InteropServices.COMExceptio n: Error in File UNKNOWN.RPT:
The request could not be submitted for background processing.

ReportDocument attrep = new ReportDocument();
attrep.Load(Server.MapPath("crDetailsReport.rpt")) ;
attrep.SetDataSource((DataTable)objDt.DefaultView. ToTable());
CrystalReportViewer1.ReportSource = attrep;


thnx....