I am setting up a very simple, one-step, conditional format to hide a cell if
it is displaying an error.

The formula is: =iserror(relative cell ref)
The format is: font color = white

I then try to copy those cells, but the whole range turns white.
I then cannot even manually adjust the font color for those cells, as they
still render as white.

And oddly even if I manually retype the whole conditional formatting (in a
cell where I attempted to copy the conditional formatting) it still won't
render properly. I have to delete the conditional formatting, and then
retype.

Can anyone give me some pointers?

Thanks,

-b