AREADEL <area name>
- The name of the area to be deleted.
This is a CLI command that deletes an area. Important: This action cannot be undone.
To simply rename an area, or remove it from the organizer hierarchy, see Organizer panel#Right-click menu.
: -AREADEL cleantestarea
Be in an Edit instance in another area
Right click the area you wish to delete and goto shutdown instance
click Edit Instance in the drop down menu
this will shut down the instance and allow you to delete it.
Wait a few moments and then type the command in the console -AREADEL <area name>