Orange suggests there is a network fault, the cause could be the within the street green cabinet or beyond.
If you are using a tablet or smart phone you need the browser to view a page as a 'Desktop site'
Three dots or line top right of the browser which when viewing a reply page should expose the attachment paperclip below the reply window.
Edit corrected a typo
Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.