Stellaris

Stellaris

Ancient Empire 2.0 [Stellaris 4.0]
J4B1Y 19 Nov, 2024 @ 1:30pm
Traveller in stars - Reverse engineering. situation stuck on 150/200
says that unknown requirement - construction section -100% to the progress
is this an error or I am missing something. I checked research project and there nothing related to this thing.