Since the upgrade to Clarity 16.3.3 when creating a report using the Report Designer the System Data Providers are not available for selection.
In Clarity 16.3.2, all Data Providers were available for selection.
Clarity 16.3.3
System Data Providers are templates and excluded for integrity reasons
As of Clarity 16.3.3 system Data providers have been intentionally excluded to ensure the data integrity and stability.
Please make a copy of the System Data Providers so they can be leveraged on custom reports you might decide to build