**Service** [AdRuleService](https://developers.google.com/ad-manager/api/reference/v202605/AdRuleService.RequiredNumberError.Reason) [CompanyService](https://developers.google.com/ad-manager/api/reference/v202605/CompanyService.RequiredNumberError.Reason) [ContentService](https://developers.google.com/ad-manager/api/reference/v202605/ContentService.RequiredNumberError.Reason) [CreativeService](https://developers.google.com/ad-manager/api/reference/v202605/CreativeService.RequiredNumberError.Reason) [CreativeSetService](https://developers.google.com/ad-manager/api/reference/v202605/CreativeSetService.RequiredNumberError.Reason) [CreativeTemplateService](https://developers.google.com/ad-manager/api/reference/v202605/CreativeTemplateService.RequiredNumberError.Reason) [ForecastService](https://developers.google.com/ad-manager/api/reference/v202605/ForecastService.RequiredNumberError.Reason) [InventoryService](https://developers.google.com/ad-manager/api/reference/v202605/InventoryService.RequiredNumberError.Reason) [LineItemCreativeAssociationService](https://developers.google.com/ad-manager/api/reference/v202605/LineItemCreativeAssociationService.RequiredNumberError.Reason) [LineItemService](https://developers.google.com/ad-manager/api/reference/v202605/LineItemService.RequiredNumberError.Reason) [LineItemTemplateService](https://developers.google.com/ad-manager/api/reference/v202605/LineItemTemplateService.RequiredNumberError.Reason) [LiveStreamEventService](https://developers.google.com/ad-manager/api/reference/v202605/LiveStreamEventService.RequiredNumberError.Reason) [NetworkService](https://developers.google.com/ad-manager/api/reference/v202605/NetworkService.RequiredNumberError.Reason) **OrderService** [ProposalLineItemService](https://developers.google.com/ad-manager/api/reference/v202605/ProposalLineItemService.RequiredNumberError.Reason) [ProposalService](https://developers.google.com/ad-manager/api/reference/v202605/ProposalService.RequiredNumberError.Reason) [PublisherQueryLanguageService](https://developers.google.com/ad-manager/api/reference/v202605/PublisherQueryLanguageService.RequiredNumberError.Reason) [YieldGroupService](https://developers.google.com/ad-manager/api/reference/v202605/YieldGroupService.RequiredNumberError.Reason) **Dependencies** [RequiredNumberError](https://developers.google.com/ad-manager/api/reference/v202605/OrderService.RequiredNumberError) ▼ **RequiredNumberError.Reason**

Describes reasons for a number to be invalid.

*** ** * ** ***

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

| Enumeration | Description |
|---|---|
| `REQUIRED` |   |
| `TOO_LARGE` |   |
| `TOO_SMALL` |   |
| `TOO_LARGE_WITH_DETAILS` |   |
| `TOO_SMALL_WITH_DETAILS` |   |
| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |