I see it now. The "alien-artifact" string also encapsulates 50, the amount of artifacts needed.

I'm making a test mod, and after 25 or so failed attempts leading to fixed errors I'm completely stumped by this. When I load the game, Factorio says "no such node (name)" almost as if the name variable was left undefined. Here's my code:

data:extend({
{
type="recipe",
name="catRecipe ...