Expedition encounter deleted runeshape

Bug Report ID: #535415121

Two runeshapes spawned in an expedition encounter.
I selected the recipe for one before placing dynamite and selected the recipe for the other after placing the dynamite.
After beginning the encounter the first runeshape disappeared after the nearby dynamite exploded.
Rune monsters still spawned from it.
The other runeshape didn't disappear.
I was able to claim the reward from the second one after the encounter.

I think I may have placed a dynamite directly on top of the rune crafting mechanic that was deleted.

Apologies if this is intended.