At reseller side support ticket menu two times display and Department menu not display

Steps:

(1) Install add on of Support ticket add on
(2) Now create one reseller and login with reseller
(3) Now check in Service menu

Expected result : At reseller side support ticket menu should be display one time and inside menu Department menu should be display.

Actual result : At reseller side support ticket menu two times display and Department menu not display.