I have problems with quizes that contain random questions when upgrading from 4.5.5 version to 5.0.1
Now I noticed that same problems occur also on Moodle demo site https://school.moodledemo.net
In course 'Effective Memory Techniques' quiz 'Final test: Effective Memory Techniques' includes random questions:
https://school.moodledemo.net/mod/quiz/edit.php?cmid=1182
When I try to edit a question or click on link 'See questions' (https://school.moodledemo.net/question/edit.php?cmid&filter=%7B%22category%22%3A%7B%22jointype%22%3A1%2C%22values%22%3A%5B306%5D%2C%22filteroptions%22%3A%7B%22includesubcategories%22%3A0%7D%7D%7D ) different error messages appear.
Can someone explain why is this happening or how it can be fixed?
Also, what version is this demo site running? I understand that some question bank issues are solved on version 5.0.2
Thanks in advance!