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Service Issue Reported at 4:15PM on 4/21/2026: OIT became aware of an issue with Canvas today where users would get a "Whoops... Looks like nothing is here!" error message when signing in. The Canvas vendor has indicated that a prior issue broke session cookies and to resolve the issue, clearing browser cache is necessary. For steps on how to do this please see here: https://oit.colorado.edu/services/network-internet-services/clear-browser-cache