MDG menu not visible on NWBC. Instead, It shows an error “The user menu tree for user is empty."

Issue	MDG menu not visible on NWBC. Instead, It shows an error “The user menu tree for user is empty."
Error Screenshot
Solution	Role is assigned but folder is defined as a "link collection" instead of a "service map" - see:http://goo.gl/OEq9qa
Steps to solution	Step-1: Goto transaction PFCG Step-2: Open your Role in edit mode.  Step-3: Goto ‘Menu’ Tab. Step-4: Double click on the folder in which your views are defined. If no folder defined, then create one and move the views to this folder. Step-5: Click on ‘Other Node Details’ button Step-6: Select ‘Folder Option’ as ‘As Service Map' Step-7: Save & Execute NWBC
Solution Screenshot
References	1378659 - NWBC known issues & what to check when opening a ticket https://websmp208.sap-ag.de/~sapidb/012003146900001035042013E/empty_user_menu.pdf