Vehicle system help

[patrik1958]

ERROR: vehicle-system/vehicleS.lua:416: cannot resume dead coroutine [string "?"]

 line 416  

		coroutine.resume(value)

the function 

function resume()

	for key, value in ipairs(threads) do

		coroutine.resume(value)

	end

end

variable:

local threads = { }

What is the problem ? 

Thank you!

[kieran]

https://wiki.multitheftauto.com/wiki/Coroutine.resume I don't think it's ACTUALLY needed, but I am unsure.