McCLIM, 1.2.8 An application displaying a data structure

[igor denisov]

(in-package :common-lisp-user)
(defpackage "APP"
(:use :clim :clim-lisp)
(:export "APP-MAIN"))

(define-application-frame superapp ()
  (
   ;(current-number :initform nil
					;:accessor current-number)
   )
(:pointer-documentation t)
  (:panes
   (app :application
	:display-time nil
	:height 400
	:width 600)
   (int :interactor
	:height 200
	:width 600))
  (:layouts
   (default (vertically ()
	     app int))))
; Evaluation aborted on #<UNBOUND-VARIABLE SUPERAPP {100A25ABA3}>.

How this can be or I missed something again.

The variable SUPERAPP is unbound.
   [Condition of type UNBOUND-VARIABLE]

best,
Igor.