Cannot Read Context in Dialogflow Fulfillment (Suddenly Undefined)

Question

We built a Dialogflow agent using google cloud functions as webhook which worked properly until yesterday evening. At that time I exported the agent and reimported it later

Answer 1

I had the same issue, I resolved it updating dialogflow-fulfillment in package.json:

from "dialogflow-fulfillment": "^0.5.0" to "dialogflow-fulfillment": "^0.6.0"