This issue is resolved. Until 09:08 UTC, some Instagram posts scheduled before an account was reconnected with a different login method could fail to publish. A fix is live and publishing has been back to normal since. No action is needed on your side.

A fix is live and Instagram publishing is recovering. Posts scheduled before an account switched login type now publish normally. We are monitoring to confirm everything is back to normal.

Since October 4, some Instagram posts that were scheduled before the account was reconnected with a different login type (Instagram Login or Facebook Login) may fail at the final publishing step. We have found the cause, an issue on our side, and are working on a fix. Reconnecting the account with the login type it used when the post was scheduled lets it publish. Next update within 60 minutes.