1. You back up the course, including calendar events. (for example, a quiz with start date and end date)
2. You restore the backup on a new curse
3. Quiz that has start date and end date, you have to see those dates in the calendar. You only see the start date, but you don´t see the end date in the calendar.
4. If you consult de table MDL_EVENT, end date doesn´t appear!
5. If you enter the quiz, edit it and record (without having touched any data) then the end date already appears on the calendar