> ## 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.

# E1900 — Unclassified error / fallback

> Unclassified error / fallback

# E1900 — Unclassified error / fallback

| Property     | Value                 |
| ------------ | --------------------- |
| **Code**     | `1900`                |
| **Slug**     | `E1900`               |
| **Category** | `internal` (Internal) |

## What happened

Unclassified error / fallback.

## Why it happened

An error occurred that does not map to any specific code.

## How to fix

Report with the tx hash and node logs for investigation.

## Receipt example

```json theme={null}
{
  "code": 1900,
  "slug": "E1900",
  "category": "internal",
  "what": "Unclassified error / fallback",
  "fix": "Report with the tx hash and node logs for investigation.",
  "docs_url": "https://docs.cowboy.inc/errors/E1900"
}
```

***

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