I needed to hang a fixture to the back of a hollow core internal door, so I purchased the following hollow wall anchors:
https://www.bunnings.com.au/ramset-m4-x-0-5mm-hollow-wall-anchor-with-hook-2-pack_p2260541
I followed the instructions (or so I thought) and the first anchor (top in the image below) installed without an issue, however I must have overdriven the second anchor (bottom in the image below) and now I can no longer remove the screw:

The screw spins in place, and I don't know how to remove the anchor without making a mess of the existing door (and ideally without pushing something into the door which will rattle every time it is opened and closed).
I'm unable to hang the fixture over the top as the screw protrudes too far from the face of the door.
Can someone offer any advice on how I can remove the anchor?
I've seen some videos on YouTube, but the solutions are for walls, not hollow core doors.