# Page Not Found

The URL `core-concepts/roles` does not exist.

You might be looking for one of these pages:
- [Roles](https://docs.oceanprotocol.com/developers/contracts/roles.md)
- [Network Bridges](https://docs.oceanprotocol.com/discover/bridges.md)
- [Using Wallets](https://docs.oceanprotocol.com/user-guides/wallets.md)
- [DDO.js](https://docs.oceanprotocol.com/developers/ddo.js.md)
- [Fees](https://docs.oceanprotocol.com/developers/contracts/fees.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/developers/contracts/roles.md`)
- Use `Accept: text/markdown` header for content negotiation