Trouble applying Data Graphic to Container Shapes

[djc664]

I'm trying to use a Data Graphic that changes color based on a property value.

When I make a container, even a simple one with only one property and assign a background color based on that property value, I get the following Error:

An error (310) occurred during the action Apply Data Graphic.

Circular formula reference.

Can anyone either explain what needs to be cleared in a container through the shape-sheet to allow this, or at least point me in the direction of how to debug exactly what field(s) are causing this circular reference?