Implement Custom Error Pages article does not work

[eshanrnh]

What type of issue is it? (Choose one - delete the others)

Wrong documentation - Does not work as mentioned

What article/section is this about?

Implement Custom Error Pages

Describe the issue

Feedback from users:

• The guide doesn't work. Be more clear about statuscodes.
• umbracoContext.Content?.GetAtRoot() is marked as obsolete and scheduled for removal. Please update this example to use IDocumentNavigationQueryService.