Spectres disappear (no corpse) upon using armourer's scrap

Spectres disappeared, without leaving any corpses, when I added quality to the item in which the raise spectre gem was socketed.

https://imgur.com/a/piffaXe
https://www.reddit.com/r/pathofexile/comments/1ozxrax/psa_how_to_conveniently_delete_your_expensive/