If you see this error and your google maps don't load correctly, please do the steps below to troubleshoot the issue:

1. Go to Dashboard > Google Maps Easy > Settings > Paste your Google Maps API Key in the "User Api key" field 

2. If you don't have one, please sign up for a Google Maps API key.

Please note that the referrer 
(web site) field must not be filled in when generate your Api Key, just leave it blank.