OpenSesame incident

Unable to launch edited courses

Resolved after 42 minutes, affecting Simon Authoring Suite, on September 4, 2025.

monitoring Sep 04, 2025, 02:33 PM UTC

We are continuing to monitor for any further issues.

Affected components

Simon Authoring Suite

investigating Sep 04, 2025, 01:50 PM UTC

Courses updated via course import and the editor unable preview
identified Sep 04, 2025, 02:17 PM UTC

Working on fix
monitoring Sep 04, 2025, 02:29 PM UTC

A fix has been implemented and we are monitoring the results.
monitoring Sep 04, 2025, 02:33 PM UTC

We are continuing to monitor for any further issues.
resolved Sep 04, 2025, 02:33 PM UTC

This incident has been resolved.

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