Reorder.Group must be provided values
You're attempting to render a <Reorder.Group> component without passing a values prop.
<Reorder.Group />
<Reorder.Group> requires a values array.
const [items, setItems] = useState([0, 1, 2])
return (
<Reorder.Group values={items} onReorder={setItems}>
Each item in the values array must be passed to a Reorder.Item component:
{items.map((item) => <Reorder.Item key={item} value={item} />)}
</Reorder.Group>
)
This is how Reorder.Group knows which Reorder.Item represents which value.