Music from my NAS has disappeared on Roon.
Sorry for the trouble here, @David_Asrael!
So we can better assist you, please provide a brief description of your current setup using this link as a guide.
Make sure to describe your network configuration/topology, including any networking hardware currently in use, so we can have a clear understanding of how your devices are communicating.
Can you also share a screenshot of Settings > Storage so we can see how your media is being imported?