Could not resolve drillthrough target report

I'm newbie programer AX. I developing report ssrs chart and i want drilldown to another report. When i type ="http://SharepointReportPath/ReportName.PrecisionDesign1.rdl" name report "Special a report" see error: 

Error 2 ReportName.PrecisionDesign1.: Could not resolve drillthrough target report ="sharepointreportpath/ReportName.PrecisionDesign1.rdl".

Thanks so much !