Resolved -
A workaround has been deployed, you should now be able to schedule Facebook Live videos. Please note that uploading cover images for the scheduled videos is currently unavailable. This functionality will be restored in the near future.
Sep 23, 16:56 EDT
Identified -
Facebook made changes to its API which have caused requests to create scheduled live streams to fail. A bug report has been opened with Facebook, and workarounds are being investigated.
Update -
We are continuing to investigate this issue.
Sep 21, 14:24 EDT
Investigating -
We are currently investigating an issue when creating scheduled Facebook live video posts. You can still create live video posts that are not scheduled. You may also create the live video post on Facebook.com and then stream using Custom RTMP. We will post updates as we identify the issue.