[Vuejs]-Vuetify – Throws 'Module parse failed:' errors while building

The Link you posted mentions you need sass-loader@^7.0.0.

// Requires sass-loader@^7.0.0

While you are using "sass-loader": "^6.0.6".

The issue you are facing came up on github issues a few times and is most likely related to sass version.

1. remove sass and sass-loader from your package.json
2. run npm i or yarn
3. run npm i sass sass-loader@^7.0.0 or yarn add sass sass-loader@^7.0.0
4. run npm run dev