**Service** [AdRuleService](https://developers.google.com/ad-manager/api/reference/v202605/AdRuleService.InternalApiError.Reason) [AdjustmentService](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.InternalApiError.Reason) [AdsTxtService](https://developers.google.com/ad-manager/api/reference/v202605/AdsTxtService.InternalApiError.Reason) [AudienceSegmentService](https://developers.google.com/ad-manager/api/reference/v202605/AudienceSegmentService.InternalApiError.Reason) [CdnConfigurationService](https://developers.google.com/ad-manager/api/reference/v202605/CdnConfigurationService.InternalApiError.Reason) [CmsMetadataService](https://developers.google.com/ad-manager/api/reference/v202605/CmsMetadataService.InternalApiError.Reason) [CompanyService](https://developers.google.com/ad-manager/api/reference/v202605/CompanyService.InternalApiError.Reason) [ContactService](https://developers.google.com/ad-manager/api/reference/v202605/ContactService.InternalApiError.Reason) [ContentBundleService](https://developers.google.com/ad-manager/api/reference/v202605/ContentBundleService.InternalApiError.Reason) [ContentService](https://developers.google.com/ad-manager/api/reference/v202605/ContentService.InternalApiError.Reason) [CreativeService](https://developers.google.com/ad-manager/api/reference/v202605/CreativeService.InternalApiError.Reason) [CreativeSetService](https://developers.google.com/ad-manager/api/reference/v202605/CreativeSetService.InternalApiError.Reason) [CreativeTemplateService](https://developers.google.com/ad-manager/api/reference/v202605/CreativeTemplateService.InternalApiError.Reason) [CreativeWrapperService](https://developers.google.com/ad-manager/api/reference/v202605/CreativeWrapperService.InternalApiError.Reason) [CustomFieldService](https://developers.google.com/ad-manager/api/reference/v202605/CustomFieldService.InternalApiError.Reason) [CustomTargetingService](https://developers.google.com/ad-manager/api/reference/v202605/CustomTargetingService.InternalApiError.Reason) [DaiAuthenticationKeyService](https://developers.google.com/ad-manager/api/reference/v202605/DaiAuthenticationKeyService.InternalApiError.Reason) [DaiEncodingProfileService](https://developers.google.com/ad-manager/api/reference/v202605/DaiEncodingProfileService.InternalApiError.Reason) [ForecastService](https://developers.google.com/ad-manager/api/reference/v202605/ForecastService.InternalApiError.Reason) [InventoryService](https://developers.google.com/ad-manager/api/reference/v202605/InventoryService.InternalApiError.Reason) [LabelService](https://developers.google.com/ad-manager/api/reference/v202605/LabelService.InternalApiError.Reason) [LineItemCreativeAssociationService](https://developers.google.com/ad-manager/api/reference/v202605/LineItemCreativeAssociationService.InternalApiError.Reason) [LineItemService](https://developers.google.com/ad-manager/api/reference/v202605/LineItemService.InternalApiError.Reason) [LineItemTemplateService](https://developers.google.com/ad-manager/api/reference/v202605/LineItemTemplateService.InternalApiError.Reason) [LiveStreamEventService](https://developers.google.com/ad-manager/api/reference/v202605/LiveStreamEventService.InternalApiError.Reason) [MobileApplicationService](https://developers.google.com/ad-manager/api/reference/v202605/MobileApplicationService.InternalApiError.Reason) [NativeStyleService](https://developers.google.com/ad-manager/api/reference/v202605/NativeStyleService.InternalApiError.Reason) [NetworkService](https://developers.google.com/ad-manager/api/reference/v202605/NetworkService.InternalApiError.Reason) [OrderService](https://developers.google.com/ad-manager/api/reference/v202605/OrderService.InternalApiError.Reason) [PlacementService](https://developers.google.com/ad-manager/api/reference/v202605/PlacementService.InternalApiError.Reason) [ProposalLineItemService](https://developers.google.com/ad-manager/api/reference/v202605/ProposalLineItemService.InternalApiError.Reason) [ProposalService](https://developers.google.com/ad-manager/api/reference/v202605/ProposalService.InternalApiError.Reason) [PublisherQueryLanguageService](https://developers.google.com/ad-manager/api/reference/v202605/PublisherQueryLanguageService.InternalApiError.Reason) **ReportService** [SegmentPopulationService](https://developers.google.com/ad-manager/api/reference/v202605/SegmentPopulationService.InternalApiError.Reason) [SiteService](https://developers.google.com/ad-manager/api/reference/v202605/SiteService.InternalApiError.Reason) [StreamActivityMonitorService](https://developers.google.com/ad-manager/api/reference/v202605/StreamActivityMonitorService.InternalApiError.Reason) [SuggestedAdUnitService](https://developers.google.com/ad-manager/api/reference/v202605/SuggestedAdUnitService.InternalApiError.Reason) [TargetingPresetService](https://developers.google.com/ad-manager/api/reference/v202605/TargetingPresetService.InternalApiError.Reason) [TeamService](https://developers.google.com/ad-manager/api/reference/v202605/TeamService.InternalApiError.Reason) [UserService](https://developers.google.com/ad-manager/api/reference/v202605/UserService.InternalApiError.Reason) [UserTeamAssociationService](https://developers.google.com/ad-manager/api/reference/v202605/UserTeamAssociationService.InternalApiError.Reason) [YieldGroupService](https://developers.google.com/ad-manager/api/reference/v202605/YieldGroupService.InternalApiError.Reason) **Dependencies** [InternalApiError](https://developers.google.com/ad-manager/api/reference/v202605/ReportService.InternalApiError) ▼ **InternalApiError.Reason**

The single reason for the internal API error.

*** ** * ** ***

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

| Enumeration | Description |
|---|---|
| `UNEXPECTED_INTERNAL_API_ERROR` | API encountered an unexpected internal error. |
| `TRANSIENT_ERROR` | A temporary error occurred during the request. Please retry. |
| `UNKNOWN` | The cause of the error is not known or only defined in newer versions. |
| `DOWNTIME` | The API is currently unavailable for a planned downtime. |
| `ERROR_GENERATING_RESPONSE` | Mutate succeeded but server was unable to build response. Client should not retry mutate. |