Instructure incident
Some users may experience error messages when grading Classic Quizzes
Instructure experienced a minor incident on April 23, 2026 affecting Canvas LMS, lasting 1h 55m. The incident has been resolved; the full update timeline is below.
Affected components
Canvas LMS
Update timeline
- investigating Apr 23, 2026, 04:22 AM UTC
We are currently investigating this issue.
- identified Apr 23, 2026, 04:39 AM UTC
The issue has been identified and a fix is being implemented.
- identified Apr 23, 2026, 04:52 AM UTC
We are continuing to work on a fix for this issue.
- identified Apr 23, 2026, 05:02 AM UTC
We are continuing to work on a fix for this issue.
- identified Apr 23, 2026, 05:15 AM UTC
We are continuing to work on a fix for this issue.
- identified Apr 23, 2026, 05:28 AM UTC
We are continuing to work on a fix for this issue.
- identified Apr 23, 2026, 05:41 AM UTC
We are continuing to work on a fix for this issue.
- identified Apr 23, 2026, 05:54 AM UTC
We are continuing to work on a fix for this issue.
- identified Apr 23, 2026, 06:07 AM UTC
We are continuing to work on a fix for this issue.
- monitoring Apr 23, 2026, 06:10 AM UTC
A fix has been implemented and we are monitoring the results.
- resolved Apr 23, 2026, 06:17 AM UTC
This incident has been resolved.