PHP 7.2 is required. Lesson: Log in as admin and create a course (or use an existing course) Go into the course and turn the editing mode on, and then add a lesson activity to the course (just enter a name and leave other fields to their default values) Go to the lesson activity and click on the "Import questions" link Click on the "Import" button without uploading any file Verify that you see a form validation message saying the file field is required Verify that no error is displayed on the page Question: Log in as admin and create a course (or use an existing course) Go into the course. Then click on the cog icon and then follow "More... > Question bank > Import" Click on the "Import" button without uploading any file Verify that you see a form validation message saying the file field is required Verify that no error is displayed on the page