Error "mat-form-field must contain a MatFormFieldControl" in Angular Material

Hello everyone! I'm new to Angular and Angular Material. I'm trying to make a simple form with a text field, but I'm getting an error in the console: "mat-form-field must contain a MatFormFieldControl". I have Angular 15 and Angular Material. Here is my component code: **app.component.ts:** ```typescript import { Component } from '@angular/core'; @Component({ selector: 'app-root', templateUrl: './app.component.html', styleUrls: ['./app.component.css'] }) export class AppComponent { title = 'my-form-app'; } ``` **app.component.html:** ```html Username ``` I imported MatFormFieldModule in app.module.ts: ```typescript import { MatFormFieldModule } from '@angular/material/form-field'; @NgM