April 2026: Some Users May Encounter Sporadic Errors When Logging into Canvas.
Canvas Instructure experienced sporadic login errors for 1.7 hours, with users encountering "Requested URL is invalid" and "Whoops... Looks like nothing is here!" messages, particularly affecting those accessing via Respondus and desktop applications while mobile apps continued working. Users reported that clearing browser cache and cookies provided a temporary workaround during the incident. The issue was resolved through an implemented fix, with cache clearing recommended for any remaining problems.