Do Not Copy Featured Image Locally

  https://theisnn.com/   I am having issue on my website when I disable this feature do not copy featured mages locally all my featured images got removed . And when I enable this then it messed my whole website  it automatically update my logo images and ,y banner images and my footer images .   Why its happening ?   Video Link: https://drive.google.com/file/d/1rfdavlGrRp6MW1Gwe5-40KGWBkI4vLBk/view