Shadow Copies - "The previous version of (folder name) no longer exists."

Hi there!

I have set up my first NAS last week and so far, so good!
However I ran into a small problem with Shadow Copies in Windows.

TL; DR - when I try to open a child dataset from the snapshot (recursive) of my main dataset, I get the following error in Windows 10:



Long version - I have one big dataset (Red) with three child datasets:


The users I have in my system are:
root - I use this to setup and manage the...

Shadow Copies - "The previous version of (folder name) no longer exists."