Basic How-To Q about exporting from TB to spreadsheet

And here is an update-update, from looking through the old thread. It’s full of gems, including this one from @galen, about a way to export Attribute Browser views:

Here is my Q: When I tried this just now, I ran into the following impediment – a grayed-out choice for Export as AB.

ABExport

Any guesses on why that would be?

Still have the Script to try …