OTBI Analyses not showing Worker Data

Summary:

The User cannot see all fields in a report although all columns used are attributes from one Subject Area. The columns the user cannot see are Worker related columns. The header are shown but the columns are empty.

We've created reports in OTBI with the Workforce Learning - Learning Management Real Time, Workforce Learning - Learning Content Items Real Time and Workforce Learning - Learning Records Real Time subject areas.

For the security set up we created a HCM Duty Role with following roles: Workforce Learning - Learning Transaction Analysis Duty and Workforce Transaction Analysis Duty according to the