**Service** [ContentBundleService](https://developers.google.com/ad-manager/api/reference/v202605/ContentBundleService.RequestError.Reason) [ForecastService](https://developers.google.com/ad-manager/api/reference/v202605/ForecastService.RequestError.Reason) [LineItemService](https://developers.google.com/ad-manager/api/reference/v202605/LineItemService.RequestError.Reason) [LineItemTemplateService](https://developers.google.com/ad-manager/api/reference/v202605/LineItemTemplateService.RequestError.Reason) **NetworkService** [OrderService](https://developers.google.com/ad-manager/api/reference/v202605/OrderService.RequestError.Reason) **Dependencies** [RequestError](https://developers.google.com/ad-manager/api/reference/v202605/NetworkService.RequestError) ▼ **RequestError.Reason**

*** ** * ** ***

Namespace
:
    `https://www.google.com/apis/ads/publisher/v202605`

| Enumeration | Description |
|---|---|
| `UNKNOWN` | Error reason is unknown. |
| `INVALID_INPUT` | Invalid input. |
| `UNSUPPORTED_VERSION` | The api version in the request has been discontinued. Please update to the new AdWords API version. |