Not Known element error in Angular

[@kavinparithi7716]

there is no app-module file generated for me

[@raheemsview]

I hope you are using Angular 17. If yes, in this version, projects are by default set to "Standalone". However, if you want to generate a project with an app module, you can use the following command: 'ng new [project name] --no-standalone' this will generate project with app module