Error?
Nethunter has three components: 1. Custom kernel, 2. chroot, 3. app(s).Everything went fine, chroot is installed.
There is no custom kernel for yoga book.So use another device, a supported one:
https://github.com/offensive-securit...nethunter/wiki
Or modify the kernel on your own:
https://github.com/offensive-securit...ting-Nethunter