erro ao carregar a classe css no Botao.vue

ERROR in ./node_modules/css-loader!./node_modules/vue-loader/lib/style-compiler?{"vue":true,"id":"data-v-1f2780a1","scoped":true,"hasInlineConfig":false}!./node_modules/sass-loader/dist/cjs.js!./node_modules/vue-loader/lib/selector.js?type=styles&index=0!./src/components/shared/botao/Botao.vue    
Module build failed: TypeError: this.getResolve is not a function
    at Object.loader (C:\Users\marcelo.correa\Documents\Alura\Curso Vue\node_modules\sass-loader\dist\index.js:52:26)
:true,"hasInlineConfig":false}!./node_modules/sass-loader/dist/cjs.js!./node_modules/vue-loader/lib/selector.js?type=styles&index=0!./src/components/shared/botao/Botao.vue 4:14-352 13:3-17:5 14:22-360
 @ ./src/components/shared/botao/Botao.vue
 @ ./node_modules/babel-loader/lib!./node_modules/vue-loader/lib/selector.js?type=script&index=0!./src/components/home/Home.vue
 @ ./src/components/home/Home.vue
 @ ./src/routes.js
 @ ./src/main.js
 @ multi (webpack)-dev-server/client?http://localhost:8080 webpack/hot/dev-server ./src/main.js

Ja instalei os loaders.

npm install node-sass@4.5.0 sass-loader@4.1.1 --save-dev