I see this error every once in a while in my logs. It would be nice if it threw a more helpful error instead.
Cannot call method 'forEach' of undefined
GoogleContacts.GoogleContacts._saveContactsFromFeed in /app/node_modules/google-contacts-api/index.js:211
Object.receivedContacts in /app/node_modules/google-contacts-api/index.js:105
IncomingMessage.[anonymous] in /app/node_modules/google-contacts-api/index.js:76