facebook.media.image_video_exclusive - letmepost.dev

What it checks

media cannot contain both image and video items. Pages’s /photos and /videos endpoints are mutually exclusive surfaces.

Failure response

{
  "error": {
    "code": "preflight_failed",
    "rule": "facebook.media.image_video_exclusive",
    "platform": "facebook",
    "message": "Cannot attach both images and video to the same Facebook post."
  }
}

Remediation

Split into two posts.