---
title: KM020A4: WARN_MixingLeftAndRightModifiers
---

|            |           |
|------------|---------- |
| Message    | Left and right modifiers should not both be used in the same rule |
| Module     | [kmc-kmn.KmnCompilerMessages](kmc-kmn.kmncompilermessages) |
| Identifier | `WARN_MixingLeftAndRightModifiers` |