Error occured while generating report. Exception during report generation "EULAR2012 Abstracts for publication": System.NullReferenceException: Object reference not set to an instance of an object. at net.windward.xmlreport.k.a(Boolean A_0) at net.windward.xmlreport.k.bc(c A_0, u A_1, Int32 A_2) at net.windward.document.element.c.a(g A_0, u A_1, Int32 A_2) at net.windward.xmlreport.k.a(ProcessReport A_0, y A_1) at net.windward.xmlreport.ProcessReport.processComplete() at CallSite.Target(Closure , CallSite , Object ) at System.Dynamic.UpdateDelegates.UpdateAndExecuteVoid1[T0](CallSite site, T0 arg0) at PSideo.ReportEngine.Windward.WindwardReportWrapper.InitReport(ReportFileFormatEnum reportFileFormat, ICollection`1 dataSources, Byte[] templateBytes, String local, Boolean& isHTMLBased)