To add the report....
Select the icon or the printer icon on the top tool bar, this will open the Report Explorer screen.
Select the custom folder you would like the report to reside in. (left panel)
With the folder highlighted, click on New Report Icon on the top menu bar. Report Writer will open for you to create your report.
When you are finished with your report, while on the Design tab, go to File Save and name your report with 60 characters or less.