uncaughtException: Cannot read property 'statusCode' of undefined

[Ockejanssen]

TypeError: Cannot read property 'statusCode' of undefined
at node_modules//less/lib/less-node/url-file-manager.js:33:40
at done (node_modules/needle/lib/needle.js:468:14)

[zxfrank]

I logged my error

LessError: resource 'https://fonts.googleapis.com/css?family=Roboto%20Slab' gave this Error:
    Error: socket hang up

I'm fixing it right now, status in #3597