Impossible d'installer Koken

Le 29/05/2018 à 13:56

Bonjour, Je n'arrive pas a déployer le CMS Koken. j'ai les 2 mesages suivants:
"Koken cannot download the necessary files from Amazon S3. Check with your host to see if they are limiting outgoing connections and if so, have them open a path to s3.amazonaws.com."
et
"Loopback connection failed. Your server must be configured to make requests to its own IP address over HTTP. Contact your host and ask them to enable "loopback connections" to resolve this issue."

Avez vous des suggestions pour m'aider?

Merci