help(COMPONENT): error NG8001: 'mat-form-field' is not a known element · Issue #24015 · angular/components · GitHub
![Conflicting components: MatFormField,MatFormField while Testing with Angular 8 · Issue #18425 · angular/components · GitHub Conflicting components: MatFormField,MatFormField while Testing with Angular 8 · Issue #18425 · angular/components · GitHub](https://user-images.githubusercontent.com/18212861/73993208-426e3c80-4930-11ea-9797-a099c2baa5a4.png)
Conflicting components: MatFormField,MatFormField while Testing with Angular 8 · Issue #18425 · angular/components · GitHub
![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
![✓ 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)