React Redux 오류

store.js에

import { configureStore, createSlice } from '@reduxjs/toolkit'

export default configureStore({
  reducer: { 
    
  }
})

를 입력하고 index.js에

import store from './store.js' 를 입력하고 저장하면

Failed to compile.

./node_modules/@reduxjs/toolkit/dist/redux-toolkit.legacy-esm.js 331:12
Module parse failed: Unexpected token (331:12)
You may need an appropriate loader to handle this file type.
|     return false;
|   }
>   if (cache?.has(value)) return false;
|   const entries = getEntries != null ? getEntries(value) : Object.entries(value);
|   const hasIgnoredPaths = ignoredPaths.length > 0;

이런 오류가 납니다.
react react dom 버전은 18.2 입니다