There are extensive problems in Moodle including orders, editing, returns, forums, news. The cause of the problem is currently being investigated.
Updated at 10:40 am: The cause of the problem was revealed to be Panoppo’s fault. The Panopto-Moodle connection has now been temporarily disconnected and Moodle is back to normal.
Updated at 12:35 pm: The Panopto-Moodle is reconnected now.