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NaN appears in rubric Change Assignment Points modal for New Quizzes

NaN appears in rubric Change Assignment Points modal for New Quizzes

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This behavior is resolved in the 2021-09-01 deploy.

Known issues indicate notable behaviors that has been escalated to the Canvas engineering team. Known issues are not a guarantee for an immediate resolution. This document is for informational purposes only and does not replace the Support process. If you are encountering the behavior outlined in this document, please ensure you have submitted a Support case (per your institution's escalation process) so Canvas Support can adequately gauge the overall customer impact and prioritize appropriately.

When attempting to update points of a rubric on a New Quizzes assignment that is used for grading, the message in the modal contains NaN in place of the percentage value. The points can still be changed but the message is confusing to users.

Expected Behavior

Instead it should display the percentage value.


No workaround exists at this time.

Steps to Reproduce


  1. Create a New Quizzes assignment

  2. Add some points

  3. Save the assignment

  4. Go back and edit the assignment

  5. Add a rubric and have a different point value

  6. Create the rubric

  7. Edit the rubric and select the option "use this rubric for assignment grading"

  8. Update the rubric

  9. Notice the message displays NaN instead of a percentage value


Additional Info


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