Warning: Encountered two children with the same key, `2`

Nodebird 프로젝트를 진행하면서 마주친 에러 해결

npm i shortid

Reducer/Post.js

import shortId from 'shortid'


export const dummyPost = (data) => ({
    id: shortId.generate(),
    content: data,
    User: {
        id: 1,
        nickname: 'Chloe'
    },
    Images: [{
        src: ''
    }],
    Comments: [],

});