as mentioned in the title, some controllers are not generating. the multiblock is inside of the game, but the controller not, upon trying to add a recipe for the controller, it says "item not found or something along those lines"

Sorry, I still don't quite understand what you mean.
Do you mean that machine controller were not added to the game?

yes

i have 22 machines and 19 of these have controllers
but the others dont

the multiblocks are displaying jei

ok. its working now. smh