COLORADO SPRINGS, Colo. (KOAA) — Canvas, a critical learning management system used by students to track grades, submit assignments, and download class documents, went down for over 12 hours on Monday due to an Amazon Web Services outage that affected more than 1,000 applications.

The outage began in the early morning hours and lasted until 5:30 p.m. Mountain Time, according to Instructure, the company that operates Canvas.

While the initial AWS disruption was brief, a backlog of requests kept Canvas offline for most of the day.

"I couldn't log in or anything. It was telling me like I had to like log out, and then I logged out, and it wouldn't let me find the school," one UCCS student said.

The widespread outage affected popular applications including Lyft, Netflix, Coinbase, Snapchat,

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