How do I get rid of "No available values" from Tree Map.

[Kevin Donovan]

I manipultated a tree map so that the trellis only showed a particular number of rows based on the hierarchy. Doing this created rows stating "No available values".

*Check attachment for visual*

 

For formatting purposes, is there a way I can blank this out so the "No available values" text doesn't appear. Some kind of back-end configuration or data manipulation