Based on the description above, you might have been encountering broader address resolution errors that were excerbating the known synchronization issue between Roon and Tidal.
Take note that the team is in the process of finalizing a fix for Tidal / Roon synchronization issues that manifest as deleted tracks within your Roon Tidal library. If you’re encountering symptoms that don’t match this description, please see @vadim’s response above. Otherwise, the release of the fix will be announced in the main tracking thread here: https://community.roonlabs.com/t/tidal-content-not-synchronizing-in-roon-ticket-in/298342/223
We’re going to close this thread out now, but if unrelated issues do re-emerge, please reach out in a new support request. Thanks!