# type RequiredError (v202602) **Service** [AdRuleService](https://developers.google.com/ad-manager/api/reference/v202602/AdRuleService.RequiredError) [AdjustmentService](https://developers.google.com/ad-manager/api/reference/v202602/AdjustmentService.RequiredError) [AdsTxtService](https://developers.google.com/ad-manager/api/reference/v202602/AdsTxtService.RequiredError) [AudienceSegmentService](https://developers.google.com/ad-manager/api/reference/v202602/AudienceSegmentService.RequiredError) [CdnConfigurationService](https://developers.google.com/ad-manager/api/reference/v202602/CdnConfigurationService.RequiredError) [CmsMetadataService](https://developers.google.com/ad-manager/api/reference/v202602/CmsMetadataService.RequiredError) [CompanyService](https://developers.google.com/ad-manager/api/reference/v202602/CompanyService.RequiredError) [ContactService](https://developers.google.com/ad-manager/api/reference/v202602/ContactService.RequiredError) [ContentBundleService](https://developers.google.com/ad-manager/api/reference/v202602/ContentBundleService.RequiredError) [ContentService](https://developers.google.com/ad-manager/api/reference/v202602/ContentService.RequiredError) [CreativeService](https://developers.google.com/ad-manager/api/reference/v202602/CreativeService.RequiredError) [CreativeSetService](https://developers.google.com/ad-manager/api/reference/v202602/CreativeSetService.RequiredError) [CreativeTemplateService](https://developers.google.com/ad-manager/api/reference/v202602/CreativeTemplateService.RequiredError) [CreativeWrapperService](https://developers.google.com/ad-manager/api/reference/v202602/CreativeWrapperService.RequiredError) [CustomFieldService](https://developers.google.com/ad-manager/api/reference/v202602/CustomFieldService.RequiredError) [CustomTargetingService](https://developers.google.com/ad-manager/api/reference/v202602/CustomTargetingService.RequiredError) [DaiAuthenticationKeyService](https://developers.google.com/ad-manager/api/reference/v202602/DaiAuthenticationKeyService.RequiredError) [DaiEncodingProfileService](https://developers.google.com/ad-manager/api/reference/v202602/DaiEncodingProfileService.RequiredError) [ForecastService](https://developers.google.com/ad-manager/api/reference/v202602/ForecastService.RequiredError) [InventoryService](https://developers.google.com/ad-manager/api/reference/v202602/InventoryService.RequiredError) [LabelService](https://developers.google.com/ad-manager/api/reference/v202602/LabelService.RequiredError) [LineItemCreativeAssociationService](https://developers.google.com/ad-manager/api/reference/v202602/LineItemCreativeAssociationService.RequiredError) [LineItemService](https://developers.google.com/ad-manager/api/reference/v202602/LineItemService.RequiredError) [LineItemTemplateService](https://developers.google.com/ad-manager/api/reference/v202602/LineItemTemplateService.RequiredError) [LiveStreamEventService](https://developers.google.com/ad-manager/api/reference/v202602/LiveStreamEventService.RequiredError) [MobileApplicationService](https://developers.google.com/ad-manager/api/reference/v202602/MobileApplicationService.RequiredError) **NativeStyleService** [NetworkService](https://developers.google.com/ad-manager/api/reference/v202602/NetworkService.RequiredError) [OrderService](https://developers.google.com/ad-manager/api/reference/v202602/OrderService.RequiredError) [PlacementService](https://developers.google.com/ad-manager/api/reference/v202602/PlacementService.RequiredError) [ProposalLineItemService](https://developers.google.com/ad-manager/api/reference/v202602/ProposalLineItemService.RequiredError) [ProposalService](https://developers.google.com/ad-manager/api/reference/v202602/ProposalService.RequiredError) [PublisherQueryLanguageService](https://developers.google.com/ad-manager/api/reference/v202602/PublisherQueryLanguageService.RequiredError) [ReportService](https://developers.google.com/ad-manager/api/reference/v202602/ReportService.RequiredError) [SegmentPopulationService](https://developers.google.com/ad-manager/api/reference/v202602/SegmentPopulationService.RequiredError) [SiteService](https://developers.google.com/ad-manager/api/reference/v202602/SiteService.RequiredError) [StreamActivityMonitorService](https://developers.google.com/ad-manager/api/reference/v202602/StreamActivityMonitorService.RequiredError) [SuggestedAdUnitService](https://developers.google.com/ad-manager/api/reference/v202602/SuggestedAdUnitService.RequiredError) [TargetingPresetService](https://developers.google.com/ad-manager/api/reference/v202602/TargetingPresetService.RequiredError) [TeamService](https://developers.google.com/ad-manager/api/reference/v202602/TeamService.RequiredError) [UserService](https://developers.google.com/ad-manager/api/reference/v202602/UserService.RequiredError) [UserTeamAssociationService](https://developers.google.com/ad-manager/api/reference/v202602/UserTeamAssociationService.RequiredError) [YieldGroupService](https://developers.google.com/ad-manager/api/reference/v202602/YieldGroupService.RequiredError) **Inheritance** [ApiError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.ApiError) ▼ [ApiVersionError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.ApiVersionError) [AuthenticationError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.AuthenticationError) [CollectionSizeError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.CollectionSizeError) [CommonError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.CommonError) [CreativeTemplateError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.CreativeTemplateError) [CustomTargetingError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.CustomTargetingError) [EntityChildrenLimitReachedE...](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.EntityChildrenLimitReachedError "EntityChildrenLimitReachedError") [FeatureError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.FeatureError) [ImageError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.ImageError) [InternalApiError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.InternalApiError) [InvalidUrlError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.InvalidUrlError) [InventoryTargetingError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.InventoryTargetingError) [NativeStyleError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.NativeStyleError) [NotNullError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.NotNullError) [NullError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.NullError) [ParseError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.ParseError) [PermissionError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.PermissionError) [PublisherQueryLanguageConte...](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.PublisherQueryLanguageContextError "PublisherQueryLanguageContextError") [PublisherQueryLanguageSynta...](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.PublisherQueryLanguageSyntaxError "PublisherQueryLanguageSyntaxError") [QuotaError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.QuotaError) [RequiredCollectionError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.RequiredCollectionError) **RequiredError** [RequiredSizeError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.RequiredSizeError) [ServerError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.ServerError) [StatementError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.StatementError) [StringFormatError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.StringFormatError) [StringLengthError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.StringLengthError) [TeamError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.TeamError) [UniqueError](https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.UniqueError) Errors due to missing required field. *** ** * ** *** Namespace : `https://www.google.com/apis/ads/publisher/v202602` | ## Field || |---|---| | **`ApiError` (inherited)** || | ### `fieldPath` | ` xsd:string` The OGNL field path to identify cause of error. | | ### `fieldPathElements` | ` https://developers.google.com/ad-manager/api/reference/v202602/NativeStyleService.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/v202602/NativeStyleService.RequiredError.Reason ` The error reason represented by an enum. *** ** * ** *** **Enumerations** `REQUIRED` : Missing required field.
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