Fill tool no longer allows the area text to be activated

[Quirk]

The "show text area" is greyed out and can not be activated. Either, in the fill selection settings pop-up dialogue box, or in the Show Area Text in the upper margin.

Operating system used: Mac Apple Silicon 11.6 Big Sur

[Karl Ottenstein]

Your post indicated AC 23 on 11.6 Big Sur.  Is that correct?  If not, please share the version and build of AC and the build of MacOS you're using, as this is not a known problem with supported versions on supported operating systems.   (You might also do a new-from-template and test if the show area text is working in a new project, indicating an issue with your file ... or the view in which you're using the fill tool.)