Hello,

The problem occurs because your server blocks access to our server this is the IP 138.201.123.145 as the result import of the demo is not implemented. During the demo import part of the content is uploaded from our server. Please contact your host and show them this error:

(
    [errors] => Array
        (
            [http_request_failed] => Array
                (
                    [0] => cURL error 28: Connection timed out after 10001 milliseconds
                )
        )
    [error_data] => Array
        (
        )
    [additional_data:protected] => Array
        (
        )
)

Best Regards