Named query binding shows `Binding Preview : null`

I've got a named query that's behaving unusually. To wit:

It's set to not cache and to poll every 1 second.

When executed via 'testing' in the designer, it shows 21 rows by 3 columns.

A component bound to it shows 'binding preview: null' in the designer.

The component itself is empty in the designer. (When i rebind the component to an identical query in a query tag, it works fine).

The query itself is a 'select x, y, z from SCHEMA.order where X < A ORDER by Y DESC'. nothing challenging there.

Assuming the Query has paramters, is it using a parameterized database as well?

Are you using it in Vision or Perspective?

No parameters, perspective.

Did you put security rules on the NQ?

No, unless they're there by default

Any ideas on this?

Can include a gateway backup/named query file if it's relevant. (Or the query itself)

I have nothing, I would suggest opening a support ticket, as they can look over your sholder at the actual system, and if it is a bug, they can put a ticket in the system.

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