googlemapapi json key parameter not set in Location.php method getLatLng
in this method, following line is:
$url = 'https://maps.googleapis.com/maps/api/geocode/json?&address=' . urlencode($temp_query) .'&sensor=false'; //encode $postcode string and construct the url query
this may cause customer error like below, if you exceed the googlemap json api query limit:
"This restaurant currently does not deliver to your address"
add following after "json?"
which configured in the system settings as a variable. you can compare that with the code in Local.php, info method.