Latest Google Maps have changed their policy. According to the new terms, an API Key is a must while you use it in a particular domain or an application created after 22nd June 2016.
Here are the steps you can follow in order to make your own google maps API key:-
Step 1 – Follow this link in order to generate your key
Step 2 – Read the terms of services and if you feel good to go then click on Agree and Continue button
Step 3 – Choose a name for your new key and specify the websites on which the key will be used. If you don’t need any website restriction, just put an * (but don’t leave it blank!)
Step 4 – Copy your new API key and hit OK.
Step 5- Now you need to put your google map API key in our Google Maps option.
Once you done with this then you can use the google map element.
Note: These steps are also application to the users who have the google map issue on their site, and getting this error in console: “Google Maps API error: MissingKeyMapError”
Article source – Thanks to BrainStormForce.