Currently working my way to the Rapid Mendix Developer course and at chapter 5.4.2 How to nest Data I have the following issue. I've added the dataview and connected the Entity. When adding the 'page header title' I would like to use parameters in the title but the attributes ar not showing up. See instructions below When I follow the steps indicated I can't select the attributes {...Course/Title/} and {DateTime} ... see screenshot below: I have retraced my steps and doublechecked every action but all seems right. Any idea on what's hapenning here?
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