está dando erro no description

1 <ap-photo *ngFor="let photo of photos" [url]="photo.url" [description]="photo.description">

                                                  ~~~

src/app/app.component.ts:6:16 6 templateUrl: './app.component.html',

                 ~~~~~~~~~~~~~~~~~~~~~~
Error occurs in the template of component AppComponent.

Error: src/app/app.component.html:1:79 - error TS2339: Property 'description' does not exist on type 'Object'.

1 <ap-photo *ngFor="let photo of photos" [url]="photo.url" [description]="photo.description">

                                                                            ~~~~~~~~~~~

src/app/app.component.ts:6:16 6 templateUrl: './app.component.html', ~ Error occurs in the template of component AppComponent.