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

# Reporter API error catalog

> Reporter documentation now reflects the active API error catalog, including current 400, 409, and 412 responses.

<Badge stroke icon="calendar-days" iconType="regular">September 3, 2026</Badge> <Badge stroke icon="file-code" iconType="regular">Documentation correction</Badge> <Badge color="purple" size="lg" stroke icon="eye" iconType="regular">Review recommended</Badge>

## Affects

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Teams that parse or handle Reporter API errors.

## What changed

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The Reporter error reference now includes the active API errors returned across 400, 409, and 412 responses and removes retired `RPT-0033`.

This is a documentation correction of the current error contract; it does not announce a runtime release.

## Impact

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**Classification: Review recommended.**

## What you need to do

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Review error-handling mappings, alerts, and support runbooks against the current Reporter error reference.