This behavior has been resolved and deployed to the production environment as of 4/23/25.
When a rubric is updated to add a criterion after it has already been used to assess students on an assignment, attempting to download the assessments using the “Bulk Download Rubrics” option in the gradebook gives a page error.
Instead teachers should be able to download rubric assessments after editing the rubric to add new criteria
No workaround exists at this time.
Prerequisites: A course with a student enrolled, and an assignment with a rubric linked.
Fill out the rubric for the student and assignment and save the assessment
Edit the rubric from the assignment page to add a new criterion
Go to the gradebook and select the “Bulk Download Rubrics” option for the assignment
Note the page error and undefined method `[]' for nil error report which is generated
EVAL-4986
Known issues indicate notable behaviors that have 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.
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