New item wont open

I created a section called news.
You can access it here: Саша Богдан

If you try to click on the first new item (there’s only one), it will display a 404.

Here’s the routes.yaml file:

routes:
  /vesti/:
    controller: channel
    filter: tag:vesti
    template: index

collections:
  /:
    permalink: /{slug}/
    template: index
    filter: tag:-[knigi,vesti]
  /mybooks/:
    permalink: /mybooks/{slug}/
    template: index
    filter: tag:knigi
  /knigite/:
    permalink: /knigite/{slug}/
    template: index
    filter: tag:knigi
  /news/:
    permalink: /news/{slug}/
    template: index
    filter: tag:news

taxonomies:
  tag: /tag/{slug}/
  author: /author/{slug}/

Any ideas why it’s not working?

Your routes aren’t quite right. Take a look at these resources for a sense of what you need to do. In particular, route collections are exclusive, which means that the same posts can’t be present in more than one collection.

Yup, once removing the duplicates, it started working.