I followed the instruction and at the last step dist wasnt able to be generated. Please your help :

~/tamiat   master ● ?   1 ↵  2987  21:29:47
$ yarn build
yarn run v1.19.0
$ vue-cli-service build

⠧ Building for production...Browserslist: caniuse-lite is outdated. Please run next command yarn upgrade
⠇ Building for production...

ERROR Failed to compile with 23 errors 9:30:20 PM

These dependencies were not found:

• firebase/app in ./node_modules/cache-loader/dist/cjs.js??ref--12-0!./node_modules/thread-loader/dist/cjs.js!./node_modules/babel-loader/lib!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/admin/components/layout/Navbar.vue?vue&type=script&lang=js&, ./src/admin/firebase_config/index.js and 8 others
• firebase/auth in ./node_modules/cache-loader/dist/cjs.js??ref--12-0!./node_modules/thread-loader/dist/cjs.js!./node_modules/babel-loader/lib!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/admin/components/layout/Navbar.vue?vue&type=script&lang=js&, ./src/admin/firebase_config/index.js and 2 others
• firebase/database in ./src/admin/firebase_config/index.js
• firebase/storage in ./src/admin/firebase_config/index.js, ./src/admin/mixins/image-loader.js and 5 others
• vue-notification in ./src/main.js

To install them, you can run: npm install --save firebase/app firebase/auth firebase/database firebase/storage vue-notification
ERROR Build failed with errors.
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.