ID not showing with version 1.4.0

In wordpress admin, after updating to 1.4.0 version my id are empty. When returning to 1.3.4 everything is fine.

Display 1.3.4 :
WordPress Shortcode: [pdf-light-viewer id=”9869“]

PHP: PdfLightViewer_FrontController::disaply_pdf_book(array(‘id’ => ‘9869‘));

Display 1.4.0 :
WordPress Shortcode: [pdf-light-viewer id=“”]

PHP: PdfLightViewer_FrontController::disaply_pdf_book(array(‘id’ => ”));