Filter levels are not appearing after creating them under Metadata management. What could be the reason?

Filter levels are not appearing after creating them under Metadata management. What could be the reason?

Once store Hierarchy is selected and then, after selecting the levels/attributes of the store hierarchy, we have to click on 'save' that appears at the bottom of the page (scroll down). With this, we will successfully be able to view the levels/attributes within the selected hierarchy. This is the functionality