The issue was more widespread than originally reported. We have pushed a fix for a scheduling bug that was affecting a number of calendars.
Social publishing is back to normal. If you have further questions, please email support@coschedule.com
Posted Apr 13, 2016 - 12:51 CDT
Investigating
We are investigating an issue with some Legacy calendar plans. This is affecting social messages scheduled using the Time Range dropdown options. We will provide more updates when we know more.