After the installation (quickstart) does not display a map in the CONTACT section. The JavaScript console I get the message:
JQMIGRATE: Migrate is installed, version 1.4.1
Google Maps API error: MissingKeyMapError https://developers.google.com/maps/documentation/javascript/error-messages#missing-key-map-error
Google Maps API warning: NoApiKeys https://developers.google.com/maps/documentation/javascript/error-messages#no-api-keys

Please help.