&nbsp; &nbsp; ERROR in app/app.component.html:9:3 - error NG8001: 'router-outlet' is not a known element:
&nbsp; &nbsp; 1. If 'router-outlet' is an Angular component, then verify that it is part of this module.
&nbsp; &nbsp; 2. If 'router-outlet' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component to suppress this message.
&nbsp; &nbsp;&nbsp;
&nbsp; &nbsp; 9&nbsp; &nbsp;&lt;router-outlet&gt;&lt;/router-outlet&gt;
&nbsp; &nbsp; &nbsp; &nbsp; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
&nbsp; &nbsp;&nbsp;
&nbsp; &nbsp; &nbsp; app/app.component.ts:5:16
&nbsp; &nbsp; &nbsp; &nbsp; 5&nbsp; &nbsp;templateUrl: './app.component.html',
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;~~~~~~~~~~~~~~~~~~~~~~
&nbsp; &nbsp; &nbsp; &nbsp; Error occurs in the template of component AppComponent.

안녕하세요?
명령창에서 ng serve 를 실행했을때 발생하는 에러인가요?

인프런 커뮤니티 질문&답변

라우팅 강의 내용 중 아래와 같이 에러 납니다.