This is odd indeed. Just to be sure, I ferretted among your many articles and located Charlies Easter. There was no indication that it was associated with a publication of any sort (there is usually a note on stories that have been published in a publication.

I would suggested asking medium except that they do not seem to have any real online support.

So, my alternate idea would be to let it "remove" the story then re-submit and see if that works.