401 Authorisation Request

Hey all! I am fairly new to MuseScore but I have uploaded stuff to the cloud on multiple ocassions with no problem. However, when I tried to upload something to the cloud, it asked for an authorisation request (as seen below). I don't understand what this means as I am logged in on MuseScore Hub as well as the MuseScore website. Do any of you know what I must do to resolve this issue? Thanks.