---
title: KM02079: ERROR_NonBMPCharactersNotSupportedInKeySection
---

|            |           |
|------------|---------- |
| Message    | Characters with codepoints over U\+FFFF are not supported in the key part of the rule |
| Module     | [kmc-kmn.KmnCompilerMessages](kmc-kmn.kmncompilermessages) |
| Identifier | `ERROR_NonBMPCharactersNotSupportedInKeySection` |