No compatible version found: babylon@'>=5.7.5 <6.0.0' about ember-cli-babel

[stefanpenner]

npm ERR! notarget It was specified as a dependency of 'babel-core'

Just a head-sup the npm log indicates this is likely related to babel-core -> https://github.com/babel/babel

Although it may be an outdated NPM on your machine?

[stefanpenner]

a quick check against npm reveals, that there does exist a valid version.

npm info babylon --json | jq '.versions'
[
  "0.0.1",
  "5.6.23",
  "5.7.1",
  "5.7.2",
  "5.8.2" // <--- should fall within babylon@'>=5.7.5 <6.0.0'
]

maybe try (with npm 2.x >):

npm cache clear
npm install

[stefanpenner]

this seems to now have been resolved, sounds like some kinda npm publish hickup.