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External Component has thrown an exception

P: n/a
whenever i set the CrystalReports ReportsDocument Objects SetDataSource()
method.. I recieve this error.

What might be the reason????

Please help
System.Runtime.InteropServices.SEHException: External component has thrown
an exception.
at PEGetNActiveJobs()
CrystalDecisions.CrystalReports.Engine.ReportDocum ent.GetConcurrentUsage()
at CheckLicenseStatus()
at CrystalDecisions.CrystalReports.Engine.ReportDocum ent.0(String w,
OpenReportMethod x, Int16 y)
at CrystalDecisions.CrystalReports.Engine.ReportClass .0(String O,
OpenReportMethod P, Int16 Q)
CrystalDecisions.CrystalReports.Engine.ReportDocum ent.SetDataSource(Object
at SukhdaHospital.IndoorBill.Save_Click(Object sender, EventArgs e) in
c:\documents and settings\manu singhal\my documents\visual studio
projects\sukhdahospital\sukhdahospital\sukhdahospi tal\indoorbill.cs:line
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.ControlNativeWindow.OnMessage (Message& m)
at System.Windows.Forms.ControlNativeWindow.WndProc(M essage& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg,
IntPtr wparam, IntPtr lparam)

Nov 15 '05 #1
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