The first step in this Advanced Install work-through:
is to run this CLI command:
drush dlb backdrop --path="my-backdrop"
but that command gives this error:
The Drush launcher could not find a Drupal site to operate on. Please do *one* of the following:
- Navigate to any where within your Drupal project and try again.
- Add --root=/path/to/drupal so Drush knows where your site is located.
Any ideas how to get around this?