Descripción: In Ultra Course view, a grading group Discussion with rubrics and automatic zeros, causes the course to freeze when reviewing the submission's rubric. A spinning purple circle appears and no action is allowed to be performed in the course.

Pasos para repetir:

1. Log into Blackboard Learn Ultra Experience as an administrator
2. Navigate to System Admin > Courses > Access/Create an Ultra Course
3. Navigate to System Admin > Users> Create 4 test users
4. Enroll them in the previously created course
5. In the course, go to the Course Content area
6. Click on the 'plus'  button and select Create
7. Create a Discussion and enable 'Grade Discussion'
8. Set a due date with a date already due
9. Use a Rubric (percentage and 2 criteria)
10. Create 2 custom groups and click on Save
11. Log in as the student, go to the Discussion, and reply. Then, reply to your own comment
12. Log in as the instructor, go to the gradebook, look for the Discussion, click on the student's name, and click on the student's automatic zero grade.

Expected Behavior:
The instructor can change the grade.