Assignment and Grade notifications use 'error' class rather than 'notifyproblem'

Pre-requisite : 1. Admin access. 2. An ongoing course. Firstly , checking for rubric : 1. Click Turn editing on at the top right of your course homepage. 2. In the Section of your course where you want the Assignment activity, click + Add an activity or resource then select Assignment and click Add. The Adding a new Assignment page will open. 3. Configure the settings for your assignment, and from the Grading method drop-down menu, select Rubric. 4. Click "Save and display" and the Advanced grading page will appear. 5. Click Define new grading form from scratch. 6. In the form , fill in some wrong details. 7. Make sure that all the necessary validation notifications work properly. Now, to check for Marking guide , repeat the above steps but select "Marking guide" instead of "Rubric" .