Two different issues. You can (and should) copy the files over using your file manger in MacOS.
As for logging in to your Roon client app, I would suggest clearing the cache as a test. Directions in this post:
Two different issues. You can (and should) copy the files over using your file manger in MacOS.
As for logging in to your Roon client app, I would suggest clearing the cache as a test. Directions in this post: