Why am I seeing on Google Maps "Referrer Not Allowed error and maps are not loading on my website"?
You need to whitelist our domain.
Within Google Maps API Console - you need to find your key and click edit.
Under Website Restrictions, click Add an item:
You should then enter the following and click Done.
Please also ensure Application Restrictions is set to HTTP Referrers.
For more information, you can follow this guide.
Once the above has been completed, ensure that within your SuperControl account you have entered your Google API key. This can be added via Admin menu > Integration HTML.
This will then resolve the Referer Not Allowed error.