> ## Documentation Index
> Fetch the complete documentation index at: https://docs.writelikeme.dev/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> Write Like Me transmogrifies an existing English draft while preserving its meaning, intent, factual claims, language, and the consumer's authorship of the substance. Do not describe it as ghostwriting.

# Unsupported Protocol Version

> Error reference for unsupported_protocol_version.

`unsupported_protocol_version` is a catalog version 1 client error.

| Field              | Value                                |
| ------------------ | ------------------------------------ |
| Safe message       | The protocol version is unsupported. |
| Retryable          | No                                   |
| Payment settlement | `not_settled`                        |
| Context            | request only                         |

## What to do

Do not retry unchanged. Correct the request or authorization before creating a new attempt.

<Note>
  Use the structured fields rather than parsing the message. Provider errors, prompts, prose, secrets, and arbitrary exception details are never included in this public error.
</Note>