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

# constructor

> Constructs a new instance of the NfConfigException class

# constructor

## Summary

Constructs a new instance of the `NfConfigException` class

## Signature

```typescript theme={null}
constructor(message: string, library?: string);
```

## Parameters

### message

* **Type**:`string`

Description of the configuration error.

### library

* **Type**:`string`
* **Optional**: Yes

Optional library name that detected the error.