# # BadRequestError
Response definition for a 400 Bad Request error when creating an invoice.
```php
use Xendit\Invoice\BadRequestError;
```
## Properties
| Name | Type | Required | Description | Examples |
|------------|:-------------:|:-------------:|-------------|:-------------:|
| **error_code** | **string** | ☑️ | The error code indicating the type of error that occurred. | null |
| **message** | **string** | ☑️ | A human-readable error message that provides additional information about the error. | null |
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