---
title: KM0400F: WARN_FileInPackageDoesNotFollowFilenameConventions
---

|            |           |
|------------|---------- |
| Message    | The file <param> does not follow the recommended filename conventions\. The extension should be all lower case, and the filename should include only alphanumeric characters, \-, \_, \+ and \. |
| Module     | [kmc-package.CompilerMessages](kmc-package.compilermessages) |
| Identifier | `WARN_FileInPackageDoesNotFollowFilenameConventions` |