Hello Gordon,
This is a common issue with Facebook. Actually I'm not sure why it happens but you can do 2 things here:
1. Delete from App centre
- Login Facebook
- Go to your App Centre
- Go to Your Apps
- Locate the autoposting app and delete it
- Revoke access in EasyBlog Autoposting setting and sign in again
If the date remains the same then you will have to
2 - create a new app for the autoposting.
Hope this will help.
Thanks.