I have tried to create a chatbot using same steps as mentioned in the link but when I am testing it even after pressing "hi" I am getting :Completion Call failed error".

COnnecting to DB is also creating another error

"

Your request for data was not sent. Here are some things to try: Check your network and internet connection, make sure a proxy server is not blocking your connection, check if you have an ad blocker turned on.

"

Please assist as I am stuck at these 2 points.