The important thing about this pattern, which might be different to how you architected this in UI Kit. It is the underlying data object (data reference) or case (case reference) that is important for this. You are not just opening a section/flow action from an action set.
- Make sure you configure the views for Preview and Full Case Page on the object itself.
- Make sure your default data source (settings tab) for the underlying object
- Make sure that data page is queryable
- If your reference is not queryable, make sure default data source is BUT you can still enable links for this view of a non-queryable list. See Display columns as links in Constellation tables with non-queryable data pages from our Constellation 101 series