Strange happenings when picking up a sigil on the overworld.

Whenever I have picked up a sigil from the overworld (using .23.6) the pickup screen does not show me getting a sigil. It shows me getting something different, like an artifact I already have, and it puts it in my inventory. I have several copies of artifacts I made that have been duplicated from picking up these sigils in the overworld. It also says “destroyed” when I click out of the loot screen, as if it was a piece of destroyable landscape.