After yesterdays patch, there's missing a wall light recipe - this mission is now on pause. Fabricator don't have recipe either.
#Styx missing crafting recipe
undone rover
woeful tusk
Have you check the variant menu like you have with the walls? Use the search as I am pretty sure it is there seen others talking about it and getting answers.
lethal fractal
Basic lights were renamed to Bunker lights.
The mission text got updated today so expect in next update or the following