# type RequiredError (v202508)

**Service** [AdRuleService](https://developers.google.com/ad-manager/api/reference/v202508/AdRuleService.RequiredError) [AdjustmentService](https://developers.google.com/ad-manager/api/reference/v202508/AdjustmentService.RequiredError) [AdsTxtService](https://developers.google.com/ad-manager/api/reference/v202508/AdsTxtService.RequiredError) [AudienceSegmentService](https://developers.google.com/ad-manager/api/reference/v202508/AudienceSegmentService.RequiredError) [CdnConfigurationService](https://developers.google.com/ad-manager/api/reference/v202508/CdnConfigurationService.RequiredError) [CmsMetadataService](https://developers.google.com/ad-manager/api/reference/v202508/CmsMetadataService.RequiredError) [CompanyService](https://developers.google.com/ad-manager/api/reference/v202508/CompanyService.RequiredError) [ContactService](https://developers.google.com/ad-manager/api/reference/v202508/ContactService.RequiredError) [ContentBundleService](https://developers.google.com/ad-manager/api/reference/v202508/ContentBundleService.RequiredError) [ContentService](https://developers.google.com/ad-manager/api/reference/v202508/ContentService.RequiredError) [CreativeService](https://developers.google.com/ad-manager/api/reference/v202508/CreativeService.RequiredError) [CreativeSetService](https://developers.google.com/ad-manager/api/reference/v202508/CreativeSetService.RequiredError) **CreativeTemplateService** [CreativeWrapperService](https://developers.google.com/ad-manager/api/reference/v202508/CreativeWrapperService.RequiredError) [CustomFieldService](https://developers.google.com/ad-manager/api/reference/v202508/CustomFieldService.RequiredError) [CustomTargetingService](https://developers.google.com/ad-manager/api/reference/v202508/CustomTargetingService.RequiredError) [DaiAuthenticationKeyService](https://developers.google.com/ad-manager/api/reference/v202508/DaiAuthenticationKeyService.RequiredError) [DaiEncodingProfileService](https://developers.google.com/ad-manager/api/reference/v202508/DaiEncodingProfileService.RequiredError) [ForecastService](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.RequiredError) [InventoryService](https://developers.google.com/ad-manager/api/reference/v202508/InventoryService.RequiredError) [LabelService](https://developers.google.com/ad-manager/api/reference/v202508/LabelService.RequiredError) [LineItemCreativeAssociationService](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.RequiredError) [LineItemService](https://developers.google.com/ad-manager/api/reference/v202508/LineItemService.RequiredError) [LineItemTemplateService](https://developers.google.com/ad-manager/api/reference/v202508/LineItemTemplateService.RequiredError) [LiveStreamEventService](https://developers.google.com/ad-manager/api/reference/v202508/LiveStreamEventService.RequiredError) [MobileApplicationService](https://developers.google.com/ad-manager/api/reference/v202508/MobileApplicationService.RequiredError) [NativeStyleService](https://developers.google.com/ad-manager/api/reference/v202508/NativeStyleService.RequiredError) [NetworkService](https://developers.google.com/ad-manager/api/reference/v202508/NetworkService.RequiredError) [OrderService](https://developers.google.com/ad-manager/api/reference/v202508/OrderService.RequiredError) [PlacementService](https://developers.google.com/ad-manager/api/reference/v202508/PlacementService.RequiredError) [ProposalLineItemService](https://developers.google.com/ad-manager/api/reference/v202508/ProposalLineItemService.RequiredError) [ProposalService](https://developers.google.com/ad-manager/api/reference/v202508/ProposalService.RequiredError) [PublisherQueryLanguageService](https://developers.google.com/ad-manager/api/reference/v202508/PublisherQueryLanguageService.RequiredError) [ReportService](https://developers.google.com/ad-manager/api/reference/v202508/ReportService.RequiredError) [SegmentPopulationService](https://developers.google.com/ad-manager/api/reference/v202508/SegmentPopulationService.RequiredError) [SiteService](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.RequiredError) [StreamActivityMonitorService](https://developers.google.com/ad-manager/api/reference/v202508/StreamActivityMonitorService.RequiredError) [SuggestedAdUnitService](https://developers.google.com/ad-manager/api/reference/v202508/SuggestedAdUnitService.RequiredError) [TargetingPresetService](https://developers.google.com/ad-manager/api/reference/v202508/TargetingPresetService.RequiredError) [TeamService](https://developers.google.com/ad-manager/api/reference/v202508/TeamService.RequiredError) [UserService](https://developers.google.com/ad-manager/api/reference/v202508/UserService.RequiredError) [UserTeamAssociationService](https://developers.google.com/ad-manager/api/reference/v202508/UserTeamAssociationService.RequiredError) [YieldGroupService](https://developers.google.com/ad-manager/api/reference/v202508/YieldGroupService.RequiredError) **Inheritance** [ApiError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.ApiError) ▼ [ApiVersionError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.ApiVersionError) [AuthenticationError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.AuthenticationError) [CollectionSizeError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.CollectionSizeError) [CommonError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.CommonError) [CreativeTemplateError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.CreativeTemplateError) [CreativeTemplateOperationError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.CreativeTemplateOperationError) [FeatureError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.FeatureError) [InternalApiError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.InternalApiError) [InvalidUrlError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.InvalidUrlError) [NotNullError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.NotNullError) [NullError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.NullError) [ParseError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.ParseError) [PermissionError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.PermissionError) [PublisherQueryLanguageConte...](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.PublisherQueryLanguageContextError "PublisherQueryLanguageContextError") [PublisherQueryLanguageSynta...](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.PublisherQueryLanguageSyntaxError "PublisherQueryLanguageSyntaxError") [QuotaError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.QuotaError) [RangeError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.RangeError) [RequiredCollectionError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.RequiredCollectionError) **RequiredError** [RequiredNumberError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.RequiredNumberError) [ServerError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.ServerError) [StatementError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.StatementError) [StringFormatError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.StringFormatError) [StringLengthError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.StringLengthError) [UniqueError](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.UniqueError)

Errors due to missing required field.

*** ** * ** ***

Namespace
:
    `https://www.google.com/apis/ads/publisher/v202508`

| ## Field ||
|---|---|
| **`ApiError` (inherited)** ||
| ### `fieldPath` | ` xsd:string` The OGNL field path to identify cause of error. |
| ### `fieldPathElements` | ` https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.FieldPathElement[]` A parsed copy of the field path. For example, the field path "operations\[1\].operand" corresponds to this list: {FieldPathElement(field = "operations", index = 1), FieldPathElement(field = "operand", index = null)}. |
| ### `trigger` | ` xsd:string` The data that caused the error. |
| ### `errorString` | ` xsd:string` A simple string representation of the error and reason. |
| **`RequiredError`** ||
| ### `reason` | ` https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.RequiredError.Reason ` The error reason represented by an enum. *** ** * ** *** **Enumerations** `REQUIRED` :   Missing required field. <br /> |