ERROR in ./src/css/main.css Module build failed (from ./node_modules/mini-css-extract-plugin/dist/

webpack打包项目时，使用插件MiniCssExtractPlugin抽离css，配置如下：

rules:[
    {
        test: /\.(css|less)$/,
        use: [
          MiniCssExtractPlugin.loader,
          "style-loader",
          "css-loader",
          "postcss-loader",
        ],
      }
]

运行webpack，报错如下：

style-loader：使用