"chicken is not a valid member of StarterPack" error in module script?

I have a module script in ReplicatedStorage and a script in a tool. In the module script I have a function w. 3 parameters, the values of which are set in the script. For some reason, I used one of the parameters in the module script, and it errored, saying "chicken is not a valid member of StarterPack" in the module script.

MODULE SCRIPT:

local module = {}

local player = game.Players.LocalPlayer
local leaderstats = player.leaderstats
module.giveChickenEaten = function(chicken, chickenIntValue, biteAmount)
    print("Calculating chicken eaten...")
    leaderstats["Chicken Eaten"].Value = leaderstats["Chicken Eaten"].Value + game.StarterPack.chicken.chickenIntValue.Value --chikcen is not a valid member of StarterPack
    biteAmount.Value = biteAmount.Value - 1
    if biteAmount.Value == 0 then
        chicken:Destroy()
    end
end

return module

SCRIPT:

local module1 = require(game.ReplicatedStorage.ModuleScript) --where the module script is activated
    module1.giveChickenEaten(script.Parent, script.Parent.coldFriedChickenValue.Value, script.Parent.biteAmount.Value)

--(this is activated inside a function)

Thanks!