exception thrown running sandbox.js

[minademian]

Hi, I'm wartching your video and I can't execute the first file.

 minademian@Minas-MacBook-Pro  ~/code/investigation/funfunautomator   master ●  node s
rc/hackable-json/sandbox.js
(node:5057) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 2
): TypeError: Only absolute URLs are supported

[mdebeus]

I get the same thing...