TypeError: this.getOptions is not a function

报错信息：

Failed to compile.

./node_modules/submodule/components/button/index.vue?vue&type=style&index=0&id=5f075d98&lang=less (./node_modules/css-loader/dist/cjs.js??ref--10-oneOf-1-1!./node_modules/vue-loader-v16/dist/stylePostLoader.js!./node_modules/postcss-loader/src??ref--10-oneOf-1-2!./node_modules/less-loader/dist/cjs.js??ref--10-oneOf-1-3!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader-v16/dist??ref--0-1!./node_modules/submodule/components/button/index.vue?vue&type=style&index=0&id=5f075d98&lang=less)
Module build failed (from ./node_modules/less-loader/dist/cjs.js):
TypeError: this.getOptions is not a function
    at Object.lessLoader (G:Code	est-submodule
ode_modulesless-loaderdistindex.js:21:24)

截图：

解决方案：

步骤一：卸载当前安装的less-loader

npm uninstall less-loader


步骤二：安装七点几的版本

npm i less-loader@7.x