This incident has been resolved.

We are continuing to monitor for any further issues.

A fix has been implemented and we are monitoring the results. Let sysadmins@cs50.harvard.edu know if you're still facing an issue!

There seems to be an issue with out IDEs storage cluster that's causing the IDE to be inaccessible for some users. We are investigating the problem and will update this incident as soon as possible. We apologize for any trouble!