Hello,
Please edit these files:
footer.php
footer-contact.php
Replace this row:
wp_enqueue_script( ‘gmap-api-js’, ‘http://maps.google.com/maps/api/js?sensor=false’ , array(), ‘3’, false );
by this:
wp_enqueue_script( ‘gmap-api-js’, ‘//maps.googleapis.com/maps/api/js?key=AIzaSyAhl99ytY9qhFdRt_VeI4fX5tCbMzBFFO4&callback=initMap’ , array(), ‘3’, false );
Best regards