# MICROSERVICES_PACKAGE_NOT_FOUND_EXCEPTION

**Kind:** Constant

**Source:** [`packages/core/errors/messages.ts`](https://github.com/nestjs/nest/blob/master/packages/core/errors/messages.ts#L263)

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

## Definition

```ts
`Unable to load @nestjs/microservices package. (Please make sure that it's already installed.)`
```

## Value

```ts
`Unable to load @nestjs/microservices package. (Please make sure that it's already installed.)`
```