@Esteban Hugo Somma ,
Welocme to Q&A forum!
According to your description, your issue is more related to OneNote for Web that is not supported in Q&A currently. And the tag office-onenote-client-itpro focuses on genral issues about OneNote(not OneNote for Windows 10).
I suggest you post a new question on the following forum for more help.
Microsoft Answers Community
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