It has to be a Curtain Wall Door. There's a couple in your Libary. Also,
look at the Family Templates, you can make one of your own.
"John Gray" wrote in message
news:5218477@discussion.autodesk.com...
i don't have a door on in there......this is where i'm confused....
wrote in message news:5218486@discussion.autodesk.com...
You simply need to switch the panel type
TAB 'til you get the panel selected (the one that need to be replace by a
door) then select the door in the type selector