# Page Not Found

The URL `aepp-sdk-js/v12.1.3/guides/aens` does not exist.

You might be looking for one of these pages:
- [Node types](https://docs.aeternity.com/aeternity-core-concepts/protocol/aeternity-nodes/node-types.md)
- [Node Roles](https://docs.aeternity.com/aeternity-core-concepts/protocol/aeternity-nodes/node-roles.md)
- [Æternity Stack](https://docs.aeternity.com/aeternity-developer-tools/quick-start-guide/aeternity-stack.md)
- [Java SDK](https://docs.aeternity.com/aeternity-developer-tools/development-infrastructure/sdks-and-apis/java-sdk.md)
- [State Channels](https://docs.aeternity.com/aeternity-core-concepts/protocol/state-channels.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/aeternity-core-concepts/protocol/aeternity-nodes/node-types.md`)
- Use `Accept: text/markdown` header for content negotiation