# USING_INVALID_CLASS_AS_A_MODULE_MESSAGE

**Kind:** Function

**Source:** [`packages/core/errors/messages.ts`](https://github.com/nestjs/nest/blob/master/packages/core/errors/messages.ts#L184)

**Part of:** [Core](subsystem-packages-core)

## Signature

```ts
function USING_INVALID_CLASS_AS_A_MODULE_MESSAGE(metatypeUsedAsAModule: Type | ForwardReference, scope: any[], classKind: 'provider' | 'controller' | 'filter')
```

## Parameters

| Name | Type |
|---|---|
| `metatypeUsedAsAModule` | `Type | ForwardReference` |
| `scope` | `any[]` |
| `classKind` | `'provider' | 'controller' | 'filter'` |