TypeError: Cannot read property '0' of undefined

[Undistraction]

Managed about 20 playlists then failed:

/Users/me/Desktop/portify/data/gmusic.js:233
                cb({ 'id': response[1][0] });
                                      ^
TypeError: Cannot read property '0' of undefined
    at /Users/me/Desktop/X/portify/data/gmusic.js:233:27
    at Request.callback (/Users/me/Desktop/X/portify/data/node_modules/superagent/lib/node/index.js:656:3)
    at Request.<anonymous> (/Users/me/Desktop/X/portify/data/node_modules/superagent/lib/node/index.js:131:10)
    at Request.EventEmitter.emit (events.js:95:17)
    at IncomingMessage.<anonymous> (/Users/pedr/Desktop/X/portify/data/node_modules/superagent/lib/node/index.js:802:12)
    at IncomingMessage.EventEmitter.emit (events.js:117:20)
    at _stream_readable.js:920:16
    at process._tickCallback (node.js:415:13)