This behavior has been resolved and deployed to the production environment as of 9/10/25.
When Saving a grading period, a banner is seen at the top of the page that the grading period set was updated successfully, but the page is blank and at the bottom you'll see "Unexpected Application Error! Cannot read properties of undefined (reading 'focus')"
No page blank/error when saving grading periods.
No workaround exists at this time.
Go to Grading tab in account.
Click the pencil for a grading period set.
Make an edit, or don't, and click Save.
EVAL-5845
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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