I get this error:Cannot find module '@angular-devkit/build-angular/package.json when I try run my app with ng serve from Linux

Question

hello guys I have this next error when I try run my App from the terminal(linux), when I run this command:

ng serve

and I get this

Answer 1

I have faced this issue when i recently upgraded the Angular CLI to Angular 9. the following commands fixed the issue.

npm install --save-dev @angular-devkit/build-angular
npm install
ng serve -o