> For the complete documentation index, see [llms.txt](https://developer.firmhouse.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.firmhouse.com/sdks/firmhouse-sdk/reference/errors/validation.md).

# Class: ValidationError

Validation error (400). These errors are thrown when you send data in the wrong format or with invalid values.

## Properties

| Property  | Modifier   | Type                                   | Description                                      |
| --------- | ---------- | -------------------------------------- | ------------------------------------------------ |
| `details` | `readonly` | `Record`<`string`, `string`> \| `null` | All validation errors in {\[path]: error} format |