Module parse failed: Unexpected character '@'

[max-mykhailenko]

Hi, I have a problem after next start

error - ../../node_modules/antd/lib/alert/style/index.less
Module parse failed: Unexpected character '@' (1:0)
You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders
> @root-entry-name: default;
| 
| @import './index-pure.less';

version "next": "^12.1.0", antd latest
Configuration copy pasted from your example for next 12

Please help with research what is that

[chemicalkosek]

Can you create a reproduction?

[FonTain1991]

I also have