Classes have stopped appearing in Assignments

The problem

• You suddenly cannot see some or all of your classes when you're trying to set an assignment

The reason

• Unknown!

The solution

• Visit each class which is unlisted and go to that class's assignments tab.
• You should find that there is a 'Get Started' button.
• Click this, and all should return to normal
• It may take a couple of minutes for it to filter through.

If it continues to be a problem, report to IT support.