Tu evento es server, el script client.
function createhunters ()
local hunter = createVehicle (411, 18.04815673828, 1997.5656738281, 17.640625)
local ped = createPed ( 2, 18.04815673828, 1998.5656738281, 17.640625)
warpPedIntoVehicle(ped, hunter)
setPedControlState(ped, accelerate)
end
addEventHandler("onClientResourceStart", getRootElement(), createhunters)