---
title: "SW33005: Invalid source byte offset"
description: "A requested byte offset lies outside its file or splits a multibyte character."
image: "https://stillwind.dev/og.png"
---

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# SW33005: Invalid source byte offset

This error occurs when an integration or a tool passes a byte offset that a
source operation cannot use, because it lies outside the file or inside a
character of several bytes. The message shows the offset and the operation.

## How to fix

- With an official integration, report the error with the file and the action
  that caused it.
- In your own integration, convert editor positions to byte offsets explicitly,
  and discard stored offsets after edits.

Errors from the APIs that convert positions are reported as
[SW31008](/docs/errors/SW31008) instead.

Source: https://stillwind.dev/docs/errors/SW33005/index.mdx