Roon database showing tracks and albums, when clicked on says it can't find them. This is a new problem on a 6-7 year old system. Roon is on Intel NUC Intel SSD running optimized core kits
If these are tracks from a streaming service, check in settings/services to make sure you are still logged into the streaming service (might want to log out then back in to refresh it?). Then check the streaming service through its app top see if the tracks are still on the service?
If you navigate to Roon Settings → Library → Clean Up Library, do you notice a few entries listed there? If so, please create a Backup of your Roon database, connect all your active storage locations you typically use with Roon and try to run the cleanup library and let us know if this helps. Thanks!