VIPR Controller: Block Virtual Pool Auto-tiering Policy "None" is not retained as selection

problem / question:

In VIPR C 3.6.1, when building a Block Virtual Pool, the selection "None" required to use the Optimized SLO on a VMAX3 (doc.VIPR Controller 3.6  Integration with VMAX and VNX Storage Systems Guide).

"None" appears in the list amongst the other SLO policies (bronze, diamond, etc) and I select and save it.  However it is not retained as the policy when I save, close, and re-open the Edit Block Virtual Pool,  "Select an Option" is in the drop-down list again. 

I have allocated storage via VIPR C none the less, and of course, it is not Optimized on the VMAX.

Seems "None" would be retained after selecting, just as Diamond or Bronze are.

This is on an existing VMAX3 with policies created via Unisphere.

-same issue weather or not use "Unique Auto-tiering Policy Names" is selected.

-same issue weather or not only 1 (manual) or more than 1 VMAX3 (automatic) is used in the Storage Pools list.

-same issue weather or not VPLEX local or non-vplex is selected.

Anyone else using Optimized on an via VIPR on a VMAX3 already in use?

Any input welcome.

Thank you,