We enrol students in multiple courses at the same time by assigning the student role in the course category that the multiple courses belong to. For example, we have English as a course category and the courses Reading, Writing, and Communication Skills are under that category. We also have groups defined in each course, then assign students in the groups. Unfortunately, they don't show up in the new Grader report. It appears that only the students who have been assign roles in the specific course will show up in the Grader report. Is this a bug?