---
title: KM0290B: ERROR_InvalidKvkFile
---

|            |           |
|------------|---------- |
| Message    | Error encountered loading <param>: unknown error |
| Module     | [kmc-kmn.KmnCompilerMessages](kmc-kmn.kmncompilermessages) |
| Identifier | `ERROR_InvalidKvkFile` |

The .kvk file could not be loaded because it was not a valid format. There
may be additional information in the error message to help you resolve the
error.

More on .kvk files: https://help.keyman.com/developer/current-version/reference/file-types/kvk