[FEED] 프로필 상세 페이지 - 댓글 처음 달 때 에러 생김

[SEMINSEMINSEMIN]

PostDetail.jsx:149 Uncaught TypeError: prev is not iterable
    at PostDetail.jsx:149:1
    at basicStateReducer (react-dom.development.js:16540:1)
    at updateReducer (react-dom.development.js:16664:1)
    at updateState (react-dom.development.js:17004:1)
    at Object.useState (react-dom.development.js:17915:1)
    at useState (react.development.js:1622:1)
    at PostDetail (PostDetail.jsx:26:1)
    at renderWithHooks (react-dom.development.js:16305:1)
    at updateFunctionComponent (react-dom.development.js:19588:1)
    at beginWork (react-dom.development.js:21601:1)

The above error occurred in the <PostDetail> component:

    at PostDetail (http://localhost:60971/static/js/bundle.js:7315:80)
    at RenderedRoute (http://localhost:60971/static/js/bundle.js:50257:5)
    at Outlet (http://localhost:60971/static/js/bundle.js:50595:26)
    at RenderedRoute (http://localhost:60971/static/js/bundle.js:50257:5)
    at Routes (http://localhost:60971/static/js/bundle.js:50680:5)
    at Router (http://localhost:60971/static/js/bundle.js:50618:15)
    at BrowserRouter (http://localhost:60971/static/js/bundle.js:48965:5)
    at Router
    at App

Consider adding an error boundary to your tree to customize error handling behavior.
Visit https://reactjs.org/link/error-boundaries to learn more about error boundaries.

[github-actions[bot]]

Branch bug/issue-202 created for issue: [FEED] 프로필 상세 페이지 - 댓글 처음 달 때 에러 생김