OS X: Dante Virtual Soundcard does not run, and is displaying the message 'Audio Routing System Failed 1024'. Why is this? | Audinate | FAQs
FAQs

OS X: Dante Virtual Soundcard does not run, and is displaying the message ‘Audio Routing System Failed 1024’. Why is this?

If you see this message, it may be because your local hosts file (located at /etc/hosts) is corrupt. 

If you have edited your local hosts file, please check it for syntax errors.

See this URL for instructions on how to reset your local hosts file.