Am getting this error when loading WebViewer with Vue application

[system]

Hello, I’m Ron, an automated tech support bot

While you wait for one of our customer support representatives to get back to you, please check out some of these documentation pages:

Guides:

• Migrating from PDF.js Express to PDFTron - 3. Change initiation
• Integrating PDF.js Express Plus with Vue.js - Sample overview
• Adding your license key - PDF.js Express Plus License Keys

APIs:

• PDF.js Express Utilities
• UndefinedgetInstance( [element])
• Core.AnnotationManager - isAnnotationRedactable(annotation)

Forums:

• Can I remove pdfjs.express watermark from viewer?
• Failed xfdf downloading
• Is it possible to hide authentication key GET api from network?