Found another loop. To craft Science 12 you need Diodes -> which require Rare Earth -> which is mined via a building needing Laser turrets -> Laser turrets need Science 12 and Science 13 to unlock.

Fixed by reducing requirements for Laser Turrets tech from 1-13 to 1-11 in MoreSciencePacks_0.1.11 ...

@PiBar I've encountered your problem as well now :)

Fixed it by editing pyhightech_1.2.2\prototypes\recipes\recipes.lua:
(I've changed add_unlock at the bottom to "basic-electronics". Used to be nano-tech. Now the recipe is available earlier.
RECIPE {
type = 'recipe',
name = 'paramagnetic ...

Hi Sopel, thank you for this challenging modpack! After more than 100 hours, I’m still enjoying it very much.
I also encountered the dependency loop Kuchikucha mentioned in the previous post, which I solved by cheating in 1 laser turret to build the rare earth extractor. I now have chemical ...