quick links are not visible under mega menu but its active in servicenow

[Apaul]

under the mega menu taxonomy, i don't know why but the quicks are suddenly got removed although it was working before. The quick links are active as well as i did sync hierarchy. Still not visible in employee center. Anyone please help me. 

If anyone has faced the same, please help me out to sort this,

[Tanushree Maiti]

Refer step by step instructions as given in this post.

ESC megamenu items population through 'Advanced Portal Navigation'

https://www.servicenow.com/community/developer-forum/mega-menu-not-showing-anything/m-p/2816076#:~:t....