[i] Received Google access token! {Expires: 1469838239}
[i] Received API Endpoint: https://pgorelease.nianticlabs.com/plfe/553/rpc
TypeError: Cannot read property 'username' of null
at api_req.then (/home/fabio/playground/pokemon-go-map/node_modules/pokemon-go-node-api/pokego.js:260:16)
at process._tickCallback (internal/process/next_tick.js:103:7)
Sometimes I'm getting this: