Configuration Publisher Option Not Available

I have a very simple part with multiple configurations driven by a design table. I'm not getting the option to create a configuration publisher when I right click on the name in the configurations tab of the tree. Another part that was created using similar methods works as it should, so there must be something about the part file that is different but I'm not seeing.

These are really nothing more than practice files so deleting and recreating the design table isn't traumatic, however, it would be if there were dozens or hundreds of configurations. Lesson learned; verify functionality before full implementation.

Thoughts?

Thank You

SolidworksConfigurations design Tables