Hello everyone,
I’ve added many ATV to our School Manager with latest Apple Configurator 2 without any problem. But now I’ve run in to two problems. When click prepare it takes some seconds and then I get the error as bellow.

It’s a ATV 4 HD with USB-C. USB-C is connected to my computer and the computer and ATV is on the same network and the devices is updated to latest tvOS and reset. I’ve tried some times to set it in recovery mode but it just wont work. Does anyone have any idea what to do?
