![Not a known element when referencing an Angular Component from a library project using npm link · Issue #735 · angular/vscode-ng-language-service · GitHub Not a known element when referencing an Angular Component from a library project using npm link · Issue #735 · angular/vscode-ng-language-service · GitHub](https://user-images.githubusercontent.com/30181382/79589202-0af3dd00-80a3-11ea-9e26-febd05e2bbfc.png)
Not a known element when referencing an Angular Component from a library project using npm link · Issue #735 · angular/vscode-ng-language-service · GitHub
![✓ NG8001: 'mat-icon' is not a known element: Error occurs in the template of component xxComponent. - YouTube ✓ NG8001: 'mat-icon' is not a known element: Error occurs in the template of component xxComponent. - YouTube](https://i.ytimg.com/vi/BohDli1JKNc/maxresdefault.jpg)
✓ NG8001: 'mat-icon' is not a known element: Error occurs in the template of component xxComponent. - YouTube
![html - Angular 10 Compile Error "error NG8001: 'mat-card-title' is not a known element: - Stack Overflow html - Angular 10 Compile Error "error NG8001: 'mat-card-title' is not a known element: - Stack Overflow](https://i.stack.imgur.com/rwURq.png)
html - Angular 10 Compile Error "error NG8001: 'mat-card-title' is not a known element: - Stack Overflow
![Angular Error NG8001: is not a known element Angular component, then verify part of this module - YouTube Angular Error NG8001: is not a known element Angular component, then verify part of this module - YouTube](https://i.ytimg.com/vi/EcIXA-DptI4/sddefault.jpg)
Angular Error NG8001: is not a known element Angular component, then verify part of this module - YouTube
![👁🗨 Angular Errors NG8001 'mat-form-field' is not a known element + NG8002: Can't bind to 'ngModel' since it isn't a known property of 'input'. 👁🗨 Angular Errors NG8001 'mat-form-field' is not a known element + NG8002: Can't bind to 'ngModel' since it isn't a known property of 'input'.](https://readdy.net/User_Files/Notes/Images/Image_1856_0_blog.jpg)