# MockErrors
Undici exposes a variety of mock error objects that you can use to enhance your mock error handling.
You can find all the mock error objects inside the `mockErrors` key.
```js
import { mockErrors } from 'undici'
```
| Mock Error | Mock Error Codes | Description |
| --------------------- | ------------------------------- | ---------------------------------------------------------- |
| `MockNotMatchedError` | `UND_MOCK_ERR_MOCK_NOT_MATCHED` | The request does not match any registered mock dispatches. |
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