This issue has been resolved & incidents can now be created via the web UI. Additionally, some users may have experienced problems saving changes to Account Settings. This problem has been resolved. If you receive a 404 error while trying to manually create incidents via the web UI or save changes to Account Settings, please refresh the page and clear your browser's cache if you still experience problems.
Jan 19, 20:27 UTC
PagerDuty is investigating an issue affecting the ability to manually trigger incidents via the web UI. Events received via email and our API are not affected, and notification delivery is working as expected.
Jan 19, 20:11 UTC