Hi . i am trying your mod with my usual 50+ mods. so far so good. But the latest update seems to remove Iron Stick component as a whole. Some mods redirected to use of Iron Rod, but some dont.

One of those mods are Transport drones that seems to still refer to Iron stick to use with.

Error while loading recipe prototype "request-iron-stick" (recipe): Difficulty normal: Recipe has invalid main product iron-stick.
The product does not exist in the recipe product list.
Modifications: Transport Drones -> Unfunny Science

Mods to disable: Transport Drones, Un Science

So i dont know if you could do something about this.

Update:
It seems that Transport drones creates request for Iron stick before your mod disable it and then writes an error.