Yarn Start yields "Module Not Found" error

🐛 Bug Report

Steps to Reproduce

NodeJS 14.16

"dependencies": {
    "@docusaurus/core": "2.0.0-beta.6",
    "@docusaurus/preset-bootstrap": "2.0.0-beta.6",
    "@docusaurus/theme-bootstrap": "^2.0.0-beta.6",
    "@mdx-js/react": "^1.6.21",
    "@svgr/webpack": "^5.5.0",
    "clsx": "^1.1.1",
    "file-loader": "^6.2.0",
    "react": "^17.0.1",
    "react-dom": "^17.0.1",
    "url-loader": "^4.1.1"
  },

As specified here: https://docusaurus.io/docs/installation

Create a development website using this command:

$ npx @docusaurus/init@latest init my-website bootstrap

Expected behavior

Development site should appear

Actual behavior

$ yarn start
Yarn run v1.22.10
$ docusaurus start
Starting the development server...
Docusaurus website is running at "http://localhost:3000/".

✖ Client
  Compiled with some errors in 2.97s

ℹ ｢wds｣: Project is running at http://localhost:3000/
ℹ ｢wds｣: webpack output is served from /
ℹ ｢wds｣: Content not from webpack is served from /Users/someuser/DOCTEST/my-website
ℹ ｢wds｣: 404s will fallback to /index.html


Module not found: Error: Can't resolve '@theme/BlogArchivePage' in '/Users/someuser/DOCTEST/my-website/.docusaurus'
Module not found: Error: Can't resolve '@theme/BlogArchivePage' in '/Users/someuser/DOCTEST/my-website/.docusaurus'

[lex111]

No longer relevant, as the Bootstrap theme has been removed from the core packages.

[lex111]

Ideally, it’d be good to have docusaurus-community org where we could move this Bootstrap theme package. Maybe we should create it ourselves, not wait for long approval from FB?