So whenever I get this error, I also get mad at Autodesk.
First, I need to cancel the operation, and god forbid I entered more than one formula, then I must clear them all, and go through the tedious task of changing parameters from Type to Instance.
![dzindzer_0-1658393948762.png dzindzer_0-1658393948762.png](https://forums.autodesk.com/t5/image/serverpage/image-id/1094202i42A8968AD50873C1/image-size/medium?v=v2&px=400)
WHAT IF
Instead of the above unusable OK button, there was something like this:
![dzindzer_1-1658394363586.png dzindzer_1-1658394363586.png](https://forums.autodesk.com/t5/image/serverpage/image-id/1094206i98EEE7DCF21A0BEF/image-size/medium?v=v2&px=400)