Error when run blockchain

[MountainOne]

After I execute the command sudo npm install blockchain-cli -g，it occurs no errors.
But when I run 'blockchain' command,it ocuurs following errors:

What should I do?
My npm version is V5.4.2 and node version is V8.7.0

[adrienfloor]

Same here ! I'd be glad if someone could help on this !! @seanseany ? Thanks !!

[JBAhire]

Same issue! has anyone got it resolved?

[cuongndc9]

I have a same issue! How to fix it? Thanks!

Hi,
follow this link to download a problem-free version.
https://github.com/anders94/blockchain-demo/