Adding the input decarator produces a error in console and the photos do not display. What am I missing ?

import { Component,Input } from '@angular/core';
import {Entry} from '../shared/entry.model'

@Component({
    selector: 'app-entry', 
    templateUrl: 'entry.component.html', 
    styleUrls: ['entry.component.css']
})

export class EntryComponent {
        @Input() entry: Entry;
}

<h2>{{entry.title}}</h2>
<figure>
   <img src="{{entry.photo}}">
   <figcaption>{{entry.description}}</figcaption> 
</figure> 
<div class = "actions">
    <button type="button" (click)="isLiked = !isLiked" [ngClass]="{liked: isLiked}">❤</button>
    <button type="button" (click)="showComments = !showComments"> Comments ({{entry.comments.length}})</button>
 </div>
<div class = "comments" *ngIf="showComments">
    <div class="comment" *ngFor = "let comment of entry.comments">
        <p><strong>{{comment.name}}</strong>{{comment.comment}}</p>
    </div>
</div>