egeloen IvoryGoogleMapBundle ApI Key Error

[Sreekanthrdy]

iam using egeloen IvoryGoogleMapBundle and i have run all commands like

$ composer require egeloen/google-map-bundle

$ composer require egeloen/serializer-bundle $ composer require php-http/guzzle6-adapter $ composer require php-http/httplug-bundle

ihave include below three lines code in appkernal.

new Ivory\GoogleMapBundle\IvoryGoogleMapBundle(),

// Optionally new Ivory\SerializerBundle\IvorySerializerBundle(), new Http\HttplugBundle\HttplugBundle(),

and ihave generated api key aswell

But unfortunately the places API is not working and giving following error in the console " Google Maps JavaScript API warning: NoApiKeys https://developers.google.com/maps/documentation/javascript/error-messages#no-api-keys"

Anyone can please let me know what I'm missing here.