Webpack TypeError: this.getOptions is not a function?

Question

[qwelp]

В файле index.js подключаю import './styles/main.scss'

Когда import подключен, ошибка:

ERROR in ./styles/main.scss
Module build failed (from ../node_modules/mini-css-extract-plugin/dist/loader.js):
ModuleBuildError: Module build failed (from ../node_modules/postcss-loader/dist/cjs.js):
TypeError: this.getOptions is not a function
    at Object.loader (P:\OpenServer\domains\eurodisks\frontend\node_modules\postcss-loader\dist\index.js:40:24)
    at P:\OpenServer\domains\eurodisks\frontend\node_modules\webpack\lib\NormalModule.js:316:20
    at P:\OpenServer\domains\eurodisks\frontend\node_modules\loader-runner\lib\LoaderRunner.js:367:11
    at P:\OpenServer\domains\eurodisks\frontend\node_modules\loader-runner\lib\LoaderRunner.js:233:18
 @ ./index.js 1:0-28