The document has no pages.
System.IO.IOException was unhandled
  Message="The document has no pages."
  Source="itextsharp"
  StackTrace:
       at iTextSharp.text.pdf.PdfPages.WritePageTree()
       at iTextSharp.text.pdf.PdfWriter.Close()
       at iTextSharp.text.pdf.PdfDocument.Close()
       at iTextSharp.text.Document.Close()
       at Schedone_vb.cls_Schedone.FilePdf(String PATH_DESTINAZIONE, String PATH_LAYOUT, Int32 TotPagine, String PAG_SK) in C:\Progetti\Schedone\Sorgenti\VB.Net\Schedone_VB\Schedone_vb\cls_Schedone.vb:line 68
       at Schedone_vb.fMain.CreaSchedOne(String codice_redditi) in C:\Progetti\Schedone\Sorgenti\VB.Net\Schedone_VB\Schedone_vb\fMain.vb:line 788
       at Schedone_vb.fMain.ELABORA() in C:\Progetti\Schedone\Sorgenti\VB.Net\Schedone_VB\Schedone_vb\fMain.vb:line 476
       at Schedone_vb.fMain.fMain_KeyDown(Object sender, KeyEventArgs e) in C:\Progetti\Schedone\Sorgenti\VB.Net\Schedone_VB\Schedone_vb\fMain.vb:line 120
       at System.Windows.Forms.Control.OnKeyDown(KeyEventArgs e)
       at System.Windows.Forms.Control.ProcessKeyEventArgs(Message& m)
       at System.Windows.Forms.Form.ProcessKeyPreview(Message& m)
       at System.Windows.Forms.Control.ProcessKeyPreview(Message& m)
       at System.Windows.Forms.Control.ProcessKeyMessage(Message& m)
       at System.Windows.Forms.Control.WmKeyChar(Message& m)
       at System.Windows.Forms.Control.WndProc(Message& m)
       at System.Windows.Forms.TextBoxBase.WndProc(Message& m)
       at System.Windows.Forms.TextBox.WndProc(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
       at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
       at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
       at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData)
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
       at System.Windows.Forms.Application.Run(ApplicationContext context)
       at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.OnRun()
       at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.DoApplicationModel()
       at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.Run(String[] commandLine)
       at Schedone_vb.My.MyApplication.Main(String[] Args) in 17d14f5c-a337-4978-8281-53493378c1071.vb:line 81
       at System.AppDomain.nExecuteAssembly(Assembly assembly, String[] args)
       at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
       at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
       at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading.ThreadHelper.ThreadStart()