Component id generation collision detected

host: {'collision-id': 'gallery-1'},

use different different id like:
gallery-1
gallery-2

import { Component, ElementRef, Input, ViewChild } from '@angular/core';

@Component({
  selector: 'app-gallery',
  templateUrl: './gallery.component.html',
  styleUrls: ['./gallery.component.scss'],
  host: {'collision-id': 'gallery-1'},
})
export class GalleryComponent {
  @ViewChild('fullScreen') elem!: ElementRef;
  @Input() galleryData!: any[];