---
title: KM02904: FATAL_UnicodeSetOutOfRange
---

|            |           |
|------------|---------- |
| Message    | This is an internal error; the message will vary |
| Module     | [kmc-kmn.KmnCompilerMessages](kmc-kmn.kmncompilermessages) |
| Identifier | `FATAL_UnicodeSetOutOfRange` |

Raised when caller to UnicodeSet functions provides an invalid buffer. If
you experience this error, it should be reported to the Keyman team for
resolution via https://github.com/keymanapp/keyman/issues/new.