A TimThumb error has occured

The following error(s) occured:

You may not fetch images from that site. To enable this site in timthumb, you can either add it to $ALLOWED_SITES and set ALLOW_EXTERNAL=true. Or you can set ALLOW_ALL_EXTERNAL_SITES=true, depending on your security needs.

Query String : src=https://s3.eu-west-1.amazonaws.com/dssmove/properties/Muih69g58Q7yejRFTwOkOzeLzyrN77EeI3pyNHMQ.jpg&w=200&h=125&zc=2
TimThumb version : 2.8.10