---
title: "sort_domain: error code"
description: "aontu error code sort_domain: class conflict: two values cannot both hold. Introduced in 0.63.0."
source: "https://aontu.dev/errors/sort_domain/"
---

[← every error code](https://aontu.dev/errors)

# `sort_domain`

Class

[`conflict`](https://aontu.dev/errors#conflict)

Since

`0.63.0`

Kind

fixed code

## What it means

two values cannot both hold.

## What to do

one of them is wrong: `aontu model why` names both and where they were written

## Where this comes from

[`test/spec/errcodes.tsv`](https://github.com/aontu-lang/aontu/blob/main/test/spec/errcodes.tsv), the shared registry both implementations execute and assert set equality against. The _message text_ is deliberately not reproduced here: the engines are its catalogue, and a copy on this site would be a second source of truth for something already generated once. To read it, run the engine: or see [the skill's error-code guide](https://github.com/aontu-lang/aontu/blob/main/docs/skill/error-codes.md).

This page as data: [`/errors/sort_domain.json`](https://aontu.dev/errors/sort_domain.json)