Module not found: Can't resolve 'material-ui/AppBar' code example
Example 1: Module not found: Can't resolve '@material-ui/icons/Menu'
You need to install Icons
Yarn add @material-ui/icons
npm install @material-ui/icons
Example 2: Module not found: Can't resolve '@material-ui/core/Button'
// Install the module usiong the command line
npm install @material-ui/core