Generate report fault:
No runtime item is defined for MyProject.Report1 item System.NotImplementedException: No runtime item is defined for MyProject.MyReport1 item
at Telerik.Reporting.Processing.ItemFactory.Create(Object itemDef)
at Telerik.Reporting.Processing.ReportProcessor.ProcessReport(ReportSource reportSource, IRenderingContext context)
at Telerik.Reporting.Processing.ReportProcessor.ProcessReport(ReportSource reportSource, Hashtable deviceInfo, IRenderingContext context)
at Telerik.Reporting.Processing.ReportProcessor.ProcessAndRender(String format, ReportSource reportSource, Hashtable deviceInfo, IRenderingContext renderingContext, CreateStream createStreamCallback)
at Telerik.Reporting.Processing.ReportProcessor.ProcessAndRenderStateless(String format, ReportSource reportSource, Hashtable deviceInfo, IRenderingContext renderingContext, CreateStream createStreamCallback)
at Telerik.Reporting.Processing.ReportProcessor.RenderReport(String format, ReportSource reportSource, Hashtable deviceInfo)
at MyProject.ReportService.Export(ParameterReport param) at BR01Report.BR01Report.StartProcess()
Whats mean message: No runtime item is defined for... ?