Could not find plugin "proposal-numeric-separator" Could not find plugin "proposal-numeric-separator" reactjs reactjs

Could not find plugin "proposal-numeric-separator"


The following steps work:

  1. Add the following line to package.json:
"resolutions": {   "@babel/preset-env": "7.5.5" },
  1. Run the following command:
$ npx npm-force-resolutions
  1. Install dependencies:
$ npm install# or $ yarn
  1. Build your project:
$ yarn build

Take a look at this Github Issue


Try this, it works: npm i @babel/compat-data@7.8.0

I have just used it like 10 minutes ago, and it's working fine.

Related issue going on github about this. Click Here!


From the corresponding issue in create-react-app,

Update react-scripts to 3.4.1 in your package.json file and remove node_modules as well as package-lock.json/yarn.lock and re-install.