Instructor ID does not show in maintain class schedule page

Hi there,

in maintain schedule of classes page ( curriculum management, schedule of classes, maintain schedule of classes) , in meeting tab , in instructor for meeting pattern section,  when i try to add an instructor , the list of value does not show any values. please note that the list of value in course administrator field in Basic Data tab, the list of value displays data. the set up is made to display instructors according to setup in approved courses tab in instructor/advisor table ( curriculum management, instructor/advisor information , instructor/ advisor table). please note that the following setup is already done :

• in course catalog page , the value for the field  instructor edit is : instr/advi