CREATE_PROC_REQ

 ERROR:  When defining a user-defined widget, you  must  specify  the
 name  of  the low-level creation routine for creating an instance of
 this widget.

 USER ACTION:  Insert a procedure clause following the widget type in
 the  widget  declaration.   You  also  need  to declare the creation
 procedure using a procedure declaration.  For example:

         procedure my_list_box_creation_proc();

         object list_box1: 
             user_defined procedure my_list_box_creation_proc()
               { arguments ... };