How to run First Aid from Recovery

Doug Mathewson wrote:

First Aid cannot repair and suggests "run First Aid from Recovery"

How to run Recovery

xxxxxxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxxx

Boot into Internet Recovery (Option Command R) and from the dropdown menu: Utilities>  Disk Utility> run the First Aid on your Macintosh HD, Container, (and the "Macintosh HD-Data" volume as well) If errors are found and repaired, run again until no errors reported.

ref: How to repair a Mac disk with Disk Utility - Apple Support

Disk Utility>View>Show All Devices

Parent drive —I would start here

Container level

Volume level