OneNote syncing Problem

Hi Guys, I have been experiencing an odd problem with sharing Notebooks between my business account and my personal account.

When I create a new Notebook in my business account on OneNote and share it with my my personal account, I can see it only on the web version of OneNote and not on through the app.

If I do the opposite way, (creating a new notebook on my personal account and share it with my business account), I can see it both via web and via app.