title: Uncaught CKEditorError: ckeditor-duplicated-modules
body: <pre><code>import ClassicEditor from '@ckeditor/ckeditor5-editor-classic/src/classiceditor';
  import Essentials from '@ckeditor/ckeditor5-essentials/src/essentials';
  import Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph';
  import Bold from '@ckeditor/ckeditor5-basic-styles/src/bold';
  import Italic from '@ckeditor/ckeditor5-basic-styles/src/italic';
  import Heading from '@ckeditor/ckeditor5-heading/src/heading';
  import Strikethrough from '@ckeditor/ckeditor5-basic-styles/src/strikethrough';
  import Link from '@ckeditor/ckeditor5-link/src/link';
  import Alignment from '@ckeditor/ckeditor5-alignment/src/alignment';
  import List from '@ckeditor/ckeditor5-list/src/list';
  import BlockQuote from '@ckeditor/ckeditor5-block-quote/src/blockquote';
  import Image from '@ckeditor/ckeditor5-image/src/image';
  import ImageCaption from '@ckeditor/ckeditor5-image/src/imagecaption';
  import MediaEmbed from '@ckeditor/ckeditor5-media-embed/src/mediaembed';
  import ExportPdf from '@ckeditor/ckeditor5-export-pdf/src/exportpdf';
  </code></pre>
  <p>Getting ckeditor 5 duplicate modules error</p>
  <p>Without ExportPdf module works</p>
  <p>Thanks in Advance</p>