Oh my !!
I misunderstood the tech tree.
I am so ashamed.
Thank you so much for your answer.

Hello, First of all thanks for the extension, it worth the wait and price. I'm playing under Linux Mint. I'm on Gleba, I've crafted many nutrients by hand or with factories, the biochamber tech and soil tech doesn't unlock. I tried turning off "Helmod" and "Bullet Trails" but it ...