[Montellese]

I just checked the code again and the fact that your URL is http://<IP>:<Port>/Views and not http://<IP>:<Port>/Users/<User ID>/Views indicates that your user authentication did not work / succeed. Did you enter your username and password manually or did you choose a username from the list and just enter the password.

I'm assuming that something is not working in general as to how to access your Emby server over the API. Therefore I've added debug log messages to every HTTP API call in the add-on. Please try again with https://www.dropbox.com/s/qr58iadjfeer1v...y.zip?dl=1.