You are running `create-react-app` 4.0.3, which is behind the latest release (5.0.0)
We no longer support global installation of Create React App.
Please remove any global installs with one of the following commands:
- npm uninstall -g create-react-app
- yarn global remove create-react-app
The latest instructions for creating a new app can be found here:
https://create-react-app.dev/docs/getting-started/
라는 에러가 나올때
npx create-react-app@latest my-app