Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Neither player can banish cards.
--王宮の鉄壁
--Imperial Iron Wall
local s,id=GetID()
function s.initial_effect(c)
	--activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMINGS_CHECK_MONSTER_E)
	c:RegisterEffect(e1)
	--cannot remove
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_CANNOT_REMOVE)
	e2:SetRange(LOCATION_SZONE)
	e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e2:SetTargetRange(1,1)
	c:RegisterEffect(e2)
	--id chk
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_FIELD)
	e3:SetCode(id)
	e3:SetRange(LOCATION_SZONE)
	e3:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e3:SetTargetRange(1,1)
	c:RegisterEffect(e3)
end