Post CSS error

[Vashisth Bhushan]

- event compiled client and server successfully in 151 ms (18 modules)
--> Setup checks passed successfully.
--> Running in development mode
- wait compiling /_error (client and server)...
Error: A PostCSS Plugin was passed as a function using require(), but it must be provided as a string.
Read more: https://nextjs.org/docs/messages/postcss-shape
- error ./node_modules/next/dist/build/webpack/loaders/css-loader/src/index.js??ruleSet[1].rules[1].oneOf[11].use[1]!./node_modules/next/dist/build/webpack/loaders/postcss-loader/src/index.js??ruleSet[1].rules[1].oneOf[11].use[2]!./node_modules/@shopify/polaris/build/esm/styles.css
Error: Malformed PostCSS Configuration
    at Array.forEach (<anonymous>)

[Harshdeep Singh Hura]

1. Learn how PostCSS works before you open an issue with no text and just an error log.
2. Issues are only for the base repo.