frontend-collective / frontend-collective/react-sortable-tree

Question: I got errors while trying to change title after move node.

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JavaScript
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Description

onMoveNode={args => {
const { prevPath, nextPath, node, nextParentNode, nextTreeIndex } = args;

this.setState(state => ({
treeData: changeNodeAtPath({
treeData: state.treeData,
nextPath,
getNodeKey,
newNode: { ...nextParentNode, name: "moved!" }
})
}));

https://codesandbox.io/s/y0172vx5m1

//ERROR showed//
index.esm.js:914 Uncaught TypeError: Cannot read property 'length' of undefined

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