The google maps key should be entered in the web.config and this is the place from where EventsView control and Events module use it.
Most probably the key you use is not valid or you have two keys which are not the same and valid for your domain. In such cases Google thiks that you are cheating and showing the js that you need a new key. Please make sure that the map on your website, google and google maps key in the web.config are the same when you use EventsView control
We read the key at runtime from
property but there is no code that removes the key or alter it.
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