I\'m building my first Angular Application. I\'m creating a new Angular application using this command ng new purchase-section. But when I executing the application
ng new purchase-section
Seems like your Angular and/or rxjs version is not compatible with TypeScript.
Remove the ~ sign in the TypeScript version, add ^ instead. Then, install packages again.
~
^
Try running npm start and ng build prior to ng serve.
npm start
ng build
ng serve