The full error message will be:

Unable to retrieve the result of the query.

Make sure the redirections are correctly configured.

System Error Details: Protocol not supported.

This error occurs when trying to deploy a site using the HTTP protocol when the server has been set up to only accept HTTPS connections.

The solution is quite simple: use the HTTPS protocol. Here is how to do that:

- click the advanced parameters button

- go to the Advanced tab

- click "Use the HTTPS protocol ..."

- click the OK button