Two (or more) classes have the same name
1) Go to School > Programmes > 2020/2021 Courses
2) Click 'Table View' on the left
3) Check for any Classes that have the same name
4) When you've identified the class with the duplicated name, click on it in the table
5) Then on 'More information' on the slideover that appears.
6) You'll be taken to the 'Overview' page for the class
7) Click on 'Course name' and input the correct name on the slideover 8) Click 'Save Changes'.