Nested collections

Nested collections

I am expreimenting with the recently addedd feature of "Collections".  I am using Zoho Notebook (free version) and like it a lot. Hopwever  I am getting an error message saying that that I have reached the limit of "Sub-Collections" and it will not me add a collection.  I can found no info on what the limit is and how it works.  Can someone please enlighten me? 


      • Sticky Posts

      • Migrate your Notebook data to the new, mobile Notebook.

        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