We have upgrade the moodle from version 2.4.3+ to 3.6.1. We are facing difficulties in duplicating the course or quiz. When we tried to duplicate it, it shows as undefined error.
Also, We unable to duplicate the quiz with enrolled users and attached the screenshot for your reference. We tried changing the moodle theme, however we unable to resolve the issues.
Please help us to resolve this issue in our new version.