Facebook post publishing error

If a scheduled post has not been published (has been moved to the Errors section), please make sure that you have authorized the user to post to a corresponding Facebook group or page.

Posts will not be published if the user does not have the group administrator rights (or the moderator rights, if every group member is authorized to post).

The administrator or editor rights are required to publish to а page.

Please make sure that you have granted all necessary rights to the user.