Adding a report to a dashboard CRM Online 2015

I have tried to follow the following instructions:

http://www.engagesoftware.com/blog/post/4021/how-to-configure-crm-to-display-a-report-on-a-dashboard-in-dynamics-crm-2015-online

but with no luck.  All I get upon saving, publishing and refreshing is a blank screen with the title of the dashboard.  Any help would be appreciated.