Entire notebook that had notes has disappeared

Entire notebook that had notes has disappeared

I don't know how tf this happened. All I did was uninstall and reinstall the mobile app after fixing a bug I had. After I reinstalled the app, everything was synced back except for one folder which had a bunch of notes in it. None of those notes are in the Trash or anything. Is this really what I have to deal with? Simply reinstalling the app makes me lose a bunch of notes? Please I need these recovered
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      Zoho Notebook is transforming. The new version will include exciting new features and a completely new user experience. The initial version will be mobile based, available for Android and iOS. A new web version will be available after the initial mobile release.   With the release of the new Notebook approaching, we're migrating most of your current data to the new version. Once the new version is released, there will be an additional window to migrate your data. We will not provide access to the