# Page Not Found

The URL `library-configuration/cpn-scheme` does not exist.

You might be looking for one of these pages:
- [CPN Schema Reference](https://docs.durohub.com/library-configuration/cpn-schema-reference.md)
- [Category Registry](https://docs.durohub.com/library-configuration/registry.md)
- [Revision Scheme](https://docs.durohub.com/library-configuration/revisions.md)
- [Introduction to Duro's Config System](https://docs.durohub.com/library-configuration/introduction.md)
- [Change Order Workflows](https://docs.durohub.com/library-configuration/change-order-workflows.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.durohub.com/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.durohub.com/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/library-configuration/cpn-schema-reference.md`)
- Use `Accept: text/markdown` header for content negotiation