I'm watching the tutorial on YT https://www.youtube.com/watch?v=oXuPaZo2ADM&t=1s . I logged into sandbox.cesmii.net as a registered user, but I cannot see a way to "Add" objects to the model (like a "Place" as shown around minute 15 in the video). The UI changed (it's been 2 years since the video) so maybe I'm missing the right menu. Thanks for your help