Symptoms

When a scheduled reported is emailed as an attachment (ex. .pdf file), the attachment contains no data. Here is a screen shot: 

Release

Jakarta 

Cause

The report (in sys_report table) did not have the necessary role when the scheduled report was executed. 

Resolution

Update the 'Roles field in the report with the necessary role. This is the role required to view the report.

Reports > Administration > (open report) > update the 'Roles' field with necessary role (ex. 'itil').