인프런 커뮤니티 질문&답변

SerializableError: Error serializing `.initialState.post.loadPostsError` returned from `getServerSideProps` in "/user/[id]".
Reason: `undefined` cannot be serialized as JSON. Please use `null` or omit this value all together.
    at isSerializable (/Users/js/Desktop/sansbook/node_modules/next/dist/lib/is-serializable-props.js:7:95)
    at /Users/js/Desktop/sansbook/node_modules/next/dist/lib/is-serializable-props.js:7:503
    at Array.every (<anonymous>)
    at isSerializable (/Users/js/Desktop/sansbook/node_modules/next/dist/lib/is-serializable-props.js:7:304)
    at /Users/js/Desktop/sansbook/node_modules/next/dist/lib/is-serializable-props.js:7:503
    at Array.every (<anonymous>)
    at isSerializable (/Users/js/Desktop/sansbook/node_modules/next/dist/lib/is-serializable-props.js:7:304)
    at /Users/js/Desktop/sansbook/node_modules/next/dist/lib/is-serializable-props.js:7:503
    at Array.every (<anonymous>)
    at isSerializable (/Users/js/Desktop/sansbook/node_modules/next/dist/lib/is-serializable-props.js:7:304)

이 에러가 떴는데 user-[id].js에서 getServerSideProps 코드가 잘못되었다는 뜻인가요?

아니면 undefined나 null을 어떻게 처리할것인지..

잘모르겠습니다