> ## 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.

# E1012 — Deferred child persistence capacity exhausted

> Deferred child persistence capacity exhausted

# E1012 — Deferred child persistence capacity exhausted

| Property | Value |
| - | - |
| **Code** | `1012` |
| **Slug** | `E1012` |
| **Category** | `storage` (Storage) |

## What happened

Deferred child persistence capacity exhausted: \{capacity}.

This is the receipt's `what` text, produced by the node's `ExecutionError::DeferredChildPersistenceRefused`. Placeholders in braces are filled from the failing transaction.

## Why it happened

The node rejected the operation with `E1012` (category `storage`, Storage). The receipt's `why` field carries the specific cause and `context` carries structured details, such as the values that filled the placeholders above.

## How to fix

Retry when pending deferred work or block capacity becomes available.

## Receipt example

```json theme={null}
{
  "code": 1012,
  "slug": "E1012",
  "category": "storage",
  "what": "deferred child persistence capacity exhausted: {capacity}",
  "fix": "Retry when pending deferred work or block capacity becomes available.",
  "docs_url": "https://docs.cowboy.inc/errors/E1012"
}
```

***

> [card] [All Error Codes](https://docs.cowboy.inc/errors/overview.md)
>
> View the complete error code reference


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