Could not find plugin “proposal-numeric-separator”

Question

How to fix Could not find plugin \"proposal-numeric-separator\", I get this error when I try to build my React application, I have not ejected the application y

Answer 1

Add SKIP_PREFLIGHT_CHECK=true to .env file to make the build work without ejecting and follow the below steps:

• Delete node_modules and package-lock.json
• Add "resolutions": { "@babel/preset-env": "^7.8.7" } to package.json
• Run npm install npm-force-resolutions --save-dev
• Run npm install
• Run npx npm-force-resolutions
• Run npm install again
• Run npm run build