facing problem when try to use npm run build

Try changing the mini-css-extract-plugin version. If you are using yarn, change to this in the package.json and then run yarn install:

  "resolutions": {
    "mini-css-extract-plugin": "2.4.5"
  },

Or if you are using npm, run:

npm i -D --save-exact [email protected]

If none of these work, check other answers on this github issue