When I click on Send a Proof, I get error message
SOP-330011 Error while executing the method 'Play' of service 'nms:delivery'.
In the delivery logs i can see
DLV-490038 An error occurred while validating the delivery.
DLV-490043 Delivery action canceled. Unable to export tracking data to the tracking server.
RED-520026 Could not upload redirection information on the tracking server(s).
RED-520024 Cannot open an HTTP session with the tracking server 'http://127.0.0.1'.
IOB-090007 Network error (connect(), errno=10061: no connection could be made because the target machine actively refused it.)
RED-520024 Cannot open an HTTP session with the tracking server 'http://127.0.0.1'.
IOB-090007 Network error (connect(), errno=10061: no connection could be made because the target machine actively refused it.)