Failed to compile - Failed to load config "react-app" to extend from

Created by: josephh

Describe the bug

Create new react app with typescript template.
Following yarn start, no web page is loaded, error shows, Failed to load config "react-app" to extend from.

Did you try recovering your dependencies?

No.

Which terms did you search for in User Guide?

"extend", "failed", "config"

Environment

npx create-react-app --info

Environment Info:

  current version of create-react-app: 4.0.1
  running from /Users/jjobbings/.nvm/versions/node/v12.20.1/lib/node_modules/create-react-app

  System:
    OS: macOS Mojave 10.14.6
    CPU: (8) x64 Intel(R) Core(TM) i7-4770HQ CPU @ 2.20GHz
  Binaries:
    Node: 12.20.1 - ~/.nvm/versions/node/v12.20.1/bin/node
    Yarn: 2.4.0 - /usr/local/bin/yarn
    npm: 6.14.10 - ~/.nvm/versions/node/v12.20.1/bin/npm
  Browsers:
    Chrome: 88.0.4324.96
    Edge: Not Found
    Firefox: 79.0
    Safari: 13.1.2
  npmPackages:
    react: Not Found
    react-dom: Not Found
    react-scripts: Not Found
  npmGlobalPackages:
    create-react-app: 4.0.1

Steps to reproduce

1. yarn set version berry
2. create-react-app onboard --template typescript
3. cd onboard/
4. yarn start

Expected behavior

React app start web page to display

Actual behavior

No 'start' web page successfully shown (browser displays error).

Failed to compile.

Failed to load config "react-app" to extend from.
Referenced from: /Users/jjobbings/onboard/package.json

browser opened - showing same error output as terminal.