Dependency was not found (vue-style-loader, css-loader)

[saamalam]

`This dependency was not found:

• !!vue-style-loader!css-loader?{"minimize":false,"sourceMap":false}!../../vue-loader/lib/style-compiler/index?{"vue":true,"id":"data-v-3ee86246","scoped":true,"hasInlineConfig":false}!sass-loader?{"sourceMap":false}!./HorizontalStepper.scss in ./node_modules/vue-stepper/src/HorizontalStepper.vue

To install it, you can run: npm install --save !!vue-style-loader!css-loader?{"minimize":false,"sourceMap":false}!../../vue-loader/lib/style-compiler/index?{"vue":true,"id":"data-v-3ee86246","scoped":true,"hasInlineConfig":false}!sass-loader?{"sourceMap":false}!./HorizontalStepper.scss

Listening at http://localhost:8080`

Any clue what might be????