no gameobject.active in a prefab?

that's odd, I can't set the gameobject child of a prefab to active = false... anyone knows how to do this ?

 

It's not entirely clear what you're trying to do, nor what is failing.

Are you trying to set the state of the child of the GameObject prefab while it's a prefab (e.g., in the project view)? If so, "active" in that context is meaningless; none of them are active.

Are you getting the transform's child? If so, that child will be another Transform and does not have .active; you'd have to make that .gameObject.active instead.