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# NfFetchException class

> Thrown when an HTTP fetch performed internally by the engine fails.

import { PageLink } from '/snippets/tsdocs/PageLink.jsx';
import { RefLink } from '/snippets/tsdocs/RefLink.jsx';

# NfFetchException

## Summary

Thrown when an HTTP fetch performed internally by the engine fails.

## Signature

```typescript theme={null}
declare class NfFetchException extends NfException 
```

## Constructors

### constructor

Constructs a new instance of the class

## Properties

### code

**Modifiers**: readonly
**Type**:`get code(): number;`

The HTTP status code returned by the failed request (e.g. , ).

## Remarks

Raised by `NfFile` methods (e.g. `arrayBuffer`, `text`) when the underlying `fetch` call returns a non-OK HTTP response.