Complete Text: "Error: The attribute name you specified is already in use. Please specify a unique name. Click Back to see the list of existing names."
You must have attempted to create an attribute with a name that is already being used by another attribute. This error can appear on pages where you are creating or renaming a building attribute. If you click Back from the page that generated the error, you can see a list of all of the current attributes. You can delete or rename the existing attribute or give a new name to the new attribute.