# Read an Inertia 409 after deploy

> Inertia uses 409 when the asset version changed. The client reloads. It is not a validation error.

- URL: https://laravel-vuejs.space/inertia-error-409-vue
- Author: Anass Ez-zouaine (https://laravel-vuejs.space/author/anass-ez-zouaine)
- Published: 2026-10-11
- Topics: Laravel, VueJs, Inertia

People searching “Inertia 409” treat it like a form error. A 409 from Inertia’s middleware means the asset version in the browser does not match the server. That happens after a deploy. The client sees `X-Inertia-Location` and does a full page load. The [deploy guide](https://laravel-vuejs.space/deploy-laravel-vue) is the release. This page is the status code.

> **TL;DR**
>
> -   Inertia uses 409 when the asset version changed.
> -   The client reloads.
> -   It is not a validation error.
> -   Do not `abort(409)` from a controller to mean “this record changed”.
>
> **Who it's for:** Laravel + Vue developers on Inertia
>
> **Applies to:** Laravel 13 · Inertia 3 · Vue 3

## The fix

You do not catch it in `onError` and print `form.errors`. There is no field. The reload is the fix. If every visit is a 409, the version is not stable: `public/build/manifest.json` is missing, or two servers are building different assets behind one URL.

## What to avoid

> **Gotcha**
>
> Do not `abort(409)` from a controller to mean “this record changed”. Inertia already uses 409 for the asset version, and the client will reload instead of showing your sentence. A stale form belongs in the error bag. Do not disable the version check to silence a bad deploy.

## FAQ

**Q: What does an Inertia 409 after a deploy mean?**

Inertia uses 409 when the asset version changed. The client reloads. It is not a validation error.

**Q: What goes wrong with Inertia 409?**

Many developers treat it like a form error. Do not `abort(409)` from a controller to mean "this record changed".