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Some Users May Encounter Sporadic Errors When Logging into Canvas.

Incident Report for Instructure

Resolved

This incident has been resolved. Users who are seeing these errors may see resolution by clearing cache and cookies.
Posted Apr 21, 2026 - 19:26 MDT

Monitoring

A fix has been implemented and we are monitoring the results. If users are still seeing these errors, clearing browser cache and cookies may resolve the behavior.
Posted Apr 21, 2026 - 19:22 MDT

Update

We are continuing to investigate this issue.
Posted Apr 21, 2026 - 19:05 MDT

Update

If you see these errors in a regular browser, clearing cache and cookies may resolve them.
Posted Apr 21, 2026 - 19:04 MDT

Investigating

We are currently investigating this issue, and have seen increased reports from users accessing via Respondus.
Posted Apr 21, 2026 - 17:42 MDT
This incident affected: Canvas (Canvas LMS).