I am trying to relate a dimension value to another dimension with an equation. I get the error shown in the attachment. I am following the syntax shown in help exactly, AFAIK.

The D3 term was entered automatically when I chose 'equation' from the edit dimension pulldown. The D2 term appeared when I picked the other dimension. D2 is a driven dimension.

How can this be so mysterious?

Thanks

I did an install repair which fixed this issue.