Change 1000+ of WordPress Featured Images in 5 Minutes! › Forums › Questions and Answers › Not adding featured images when saving a scheduled post › Reply To: Not adding featured images when saving a scheduled post
According to the “doubles” bug: It seems the images in your post contents a referencing to another server, i.e. are get from another domain than your website’s domain. In this case QFIP downloads the image, upload it to the library and set it as featured.
Can you confirm that the URLs of those images point to images on external servers?