저도 main.js를 못찾는다고 나옵니다.

오류문구 Angular is running in the development mode. Call enableProdMode() to enable the production mode. system.js:4 GET http://localhost:4200/first-app/src/module/main.js 404 (Not Found) system.js:4 Uncaught (in promise) Error: Fetch error: 404 Not Found Instantiating http://localhost:4200/first-app/src/module/main.js Loading main.js at system.js:4 at 제가 작성 코드를 아무리 봐도 오타가 안보이는데, 왜 main.js를 못찾는건지 모르겠습니다 SystemJS.config({ baseURL: '/first-app/src/module', transpiler: 'plugin-babel', map: { 'plugin-babel' : 'https://unpkg.com/systemjs-plugin-babel/plugin-babel.js', 'systemjs-bael-build' : 'https://unpkg.com/systemjs-plugin-babel/systemjs-babel-browser.js' } }); SystemJS.import('main.js');