jasper reports - Page Break error new page -


print set of invoices in pdf, put page break $v{page_count}==16 , group break invoice number. ok, if invoice rows = 16 group total invoice print in new page. ideas?

   <group name="documento" isresetpagenumber="true" footerposition="forceatbottom"><groupexpression><numero fattura></groupexpression><groupfooter> <band height="230" splittype="immediate"><textfield><reportelement> totali fattura.....</band></groupfooter></group> <pageheader><band height="350" splittype="stretch"> <textfield><reportelement><textfield><reportelement>testata fattura</band></pageheader><detail><band height="16" splittype="stretch"><break>   <reportelement><printwhenexpression><![cdata[$v{page‌​_count}==16]]></printwhenexpression>  </reportelement></break></band></detail></ja‌​sperreport>


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