DEV CDN file 403 error

Hi,
I've tried to enable the WPMU Dev CDN, but when I do, some of my images and fonts don't show.

Here is the google console errors I recieve:
Failed to load resource: the server responded with a status of 403 ()
(index):1 Access to Font at 'https://da8dsugrl65ch.cloudfront.net/wp-content/themes/metro2016/dist/fonts/fontello.woff2?74445415' from origin 'https://metro.org.au' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'https://metro.org.au' is therefore not allowed access. The response had HTTP status code 403.
(index):1 Access to Font at 'https://da8dsugrl65ch.cloudfront.net/wp-content/themes/metro2016/dist/fonts/fontello.woff?74445415' from origin 'https://metro.org.au' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'https://metro.org.au' is therefore not allowed access. The response had HTTP status code 403.
(index):1 Access to Font at 'https://da8dsugrl65ch.cloudfront.net/wp-content/themes/metro2016/dist/fonts/fontello.ttf?74445415' from origin 'https://metro.org.au' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'https://metro.org.au' is therefore not allowed access. The response had HTTP status code 403.

Any ideas?