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

# E1204 — Backend storage error

> Backend storage error

# E1204 — Backend storage error

| Property     | Value               |
| ------------ | ------------------- |
| **Code**     | `1204`              |
| **Slug**     | `E1204`             |
| **Category** | `runtime` (Runtime) |

## What happened

Backend storage error.

## Why it happened

An internal storage subsystem error occurred. This is usually transient.

## How to fix

Retry the transaction. If the error persists, report it with the tx hash — this indicates a backend fault.

## Receipt example

```json theme={null}
{
  "code": 1204,
  "slug": "E1204",
  "category": "runtime",
  "what": "Backend storage error",
  "fix": "Retry the transaction.",
  "docs_url": "https://docs.cowboy.inc/errors/E1204"
}
```

***

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