Google Maps API Activation error - Getting "ApiNotActivatedMapError" when trying to use embed map API

Problem Statement : I am embedding Google map in a web page but I am getting  ApiNotActivatedMapError error for some reason. 

Solution:

Go to console.cloud.google.com and follow the following steps:

1) APIs & Services

2) Dashboard

3) + Enable APIS and Services

4) Maps JavaScript API

5) hit Enable button