[iText-questions] problem in document.close()

[supal]

Hello I am using iText framework. Getting the following error. The error is occurring when documet.close() is invoked.   ExceptionConverter: java.io.IOException: The document has no pages.         at com.nri.xenos.report.text.pdf.PdfPages.writePageTree(PdfPages.java:107)         at com.nri.xenos.report.text.pdf.PdfWriter.close(PdfWriter.java:850)         at com.nri.xenos.report.text.pdf.PdfDocument.close(PdfDocument.java:1043)         at com.nri.xenos.report.text.Document.close(Document.java:497)   What is the meaning of this? How shall I overcome it? please help me.   Regards Supal