---
title: CRARCH0017 Namespace must align with folder path
---

- **Category:** Architecture
- **Default severity:** Warning
- **Diagnostic ID:** `CRARCH0017`

## What it checks

Namespace and folder alignment improves navigability and consistency.

## Diagnostic message

`Namespace '{0}' should align with folder path '{1}'`

## How to resolve

Update the namespace or move the file so namespace segments match folder structure.