Map function show undefine

item.map line i am facing problem please guide me

function Map({items}) {
    return (
        <MapContainer center={[52.4797, -1.98269]} zoom={7} scrollWheelZoom={false} className='map'>
            <TileLayer
                attribution='&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
                url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
            />
            {items.map((item)=>(
                <Pin item={item} key={item.id}/>
            ))}
        </MapContainer>
    )
}

I tried to map using map funtion but it’s not working