# type RequiredCollectionError (v202508) **Service** [AdRuleService](https://developers.google.com/ad-manager/api/reference/v202508/AdRuleService.RequiredCollectionError) [AdjustmentService](https://developers.google.com/ad-manager/api/reference/v202508/AdjustmentService.RequiredCollectionError) [AdsTxtService](https://developers.google.com/ad-manager/api/reference/v202508/AdsTxtService.RequiredCollectionError) [AudienceSegmentService](https://developers.google.com/ad-manager/api/reference/v202508/AudienceSegmentService.RequiredCollectionError) [CdnConfigurationService](https://developers.google.com/ad-manager/api/reference/v202508/CdnConfigurationService.RequiredCollectionError) [CmsMetadataService](https://developers.google.com/ad-manager/api/reference/v202508/CmsMetadataService.RequiredCollectionError) [CompanyService](https://developers.google.com/ad-manager/api/reference/v202508/CompanyService.RequiredCollectionError) [ContactService](https://developers.google.com/ad-manager/api/reference/v202508/ContactService.RequiredCollectionError) [ContentBundleService](https://developers.google.com/ad-manager/api/reference/v202508/ContentBundleService.RequiredCollectionError) [ContentService](https://developers.google.com/ad-manager/api/reference/v202508/ContentService.RequiredCollectionError) [CreativeService](https://developers.google.com/ad-manager/api/reference/v202508/CreativeService.RequiredCollectionError) [CreativeSetService](https://developers.google.com/ad-manager/api/reference/v202508/CreativeSetService.RequiredCollectionError) [CreativeTemplateService](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.RequiredCollectionError) [CreativeWrapperService](https://developers.google.com/ad-manager/api/reference/v202508/CreativeWrapperService.RequiredCollectionError) [CustomFieldService](https://developers.google.com/ad-manager/api/reference/v202508/CustomFieldService.RequiredCollectionError) [CustomTargetingService](https://developers.google.com/ad-manager/api/reference/v202508/CustomTargetingService.RequiredCollectionError) [DaiAuthenticationKeyService](https://developers.google.com/ad-manager/api/reference/v202508/DaiAuthenticationKeyService.RequiredCollectionError) [DaiEncodingProfileService](https://developers.google.com/ad-manager/api/reference/v202508/DaiEncodingProfileService.RequiredCollectionError) **ForecastService** [InventoryService](https://developers.google.com/ad-manager/api/reference/v202508/InventoryService.RequiredCollectionError) [LabelService](https://developers.google.com/ad-manager/api/reference/v202508/LabelService.RequiredCollectionError) [LineItemCreativeAssociationService](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.RequiredCollectionError) [LineItemService](https://developers.google.com/ad-manager/api/reference/v202508/LineItemService.RequiredCollectionError) [LineItemTemplateService](https://developers.google.com/ad-manager/api/reference/v202508/LineItemTemplateService.RequiredCollectionError) [LiveStreamEventService](https://developers.google.com/ad-manager/api/reference/v202508/LiveStreamEventService.RequiredCollectionError) [MobileApplicationService](https://developers.google.com/ad-manager/api/reference/v202508/MobileApplicationService.RequiredCollectionError) [NativeStyleService](https://developers.google.com/ad-manager/api/reference/v202508/NativeStyleService.RequiredCollectionError) [NetworkService](https://developers.google.com/ad-manager/api/reference/v202508/NetworkService.RequiredCollectionError) [OrderService](https://developers.google.com/ad-manager/api/reference/v202508/OrderService.RequiredCollectionError) [PlacementService](https://developers.google.com/ad-manager/api/reference/v202508/PlacementService.RequiredCollectionError) [ProposalLineItemService](https://developers.google.com/ad-manager/api/reference/v202508/ProposalLineItemService.RequiredCollectionError) [ProposalService](https://developers.google.com/ad-manager/api/reference/v202508/ProposalService.RequiredCollectionError) [PublisherQueryLanguageService](https://developers.google.com/ad-manager/api/reference/v202508/PublisherQueryLanguageService.RequiredCollectionError) [ReportService](https://developers.google.com/ad-manager/api/reference/v202508/ReportService.RequiredCollectionError) [SegmentPopulationService](https://developers.google.com/ad-manager/api/reference/v202508/SegmentPopulationService.RequiredCollectionError) [SiteService](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.RequiredCollectionError) [StreamActivityMonitorService](https://developers.google.com/ad-manager/api/reference/v202508/StreamActivityMonitorService.RequiredCollectionError) [SuggestedAdUnitService](https://developers.google.com/ad-manager/api/reference/v202508/SuggestedAdUnitService.RequiredCollectionError) [TargetingPresetService](https://developers.google.com/ad-manager/api/reference/v202508/TargetingPresetService.RequiredCollectionError) [TeamService](https://developers.google.com/ad-manager/api/reference/v202508/TeamService.RequiredCollectionError) [UserService](https://developers.google.com/ad-manager/api/reference/v202508/UserService.RequiredCollectionError) [UserTeamAssociationService](https://developers.google.com/ad-manager/api/reference/v202508/UserTeamAssociationService.RequiredCollectionError) [YieldGroupService](https://developers.google.com/ad-manager/api/reference/v202508/YieldGroupService.RequiredCollectionError) **Inheritance** [ApiError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.ApiError) ▼ [AdUnitCodeError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.AdUnitCodeError) [ApiVersionError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.ApiVersionError) [AssetError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.AssetError) [AudienceExtensionError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.AudienceExtensionError) [AudienceSegmentError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.AudienceSegmentError) [AuthenticationError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.AuthenticationError) [ClickTrackingLineItemError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.ClickTrackingLineItemError) [CollectionSizeError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.CollectionSizeError) [CommonError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.CommonError) [CompanyCreditStatusError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.CompanyCreditStatusError) [CreativeError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.CreativeError) [CrossSellError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.CrossSellError) [CurrencyCodeError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.CurrencyCodeError) [CustomFieldValueError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.CustomFieldValueError) [CustomTargetingError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.CustomTargetingError) [DateError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.DateError) [DateTimeRangeTargetingError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.DateTimeRangeTargetingError) [DayPartTargetingError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.DayPartTargetingError) [EntityChildrenLimitReachedE...](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.EntityChildrenLimitReachedError "EntityChildrenLimitReachedError") [EntityLimitReachedError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.EntityLimitReachedError) [FeatureError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.FeatureError) [ForecastError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.ForecastError) [FrequencyCapError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.FrequencyCapError) [GenericTargetingError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.GenericTargetingError) [GeoTargetingError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.GeoTargetingError) [GrpSettingsError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.GrpSettingsError) [ImageError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.ImageError) [InternalApiError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.InternalApiError) [InvalidUrlError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.InvalidUrlError) [InventoryTargetingError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.InventoryTargetingError) [InventoryUnitError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.InventoryUnitError) [LabelEntityAssociationError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LabelEntityAssociationError) [LineItemActivityAssociation...](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItemActivityAssociationError "LineItemActivityAssociationError") [LineItemCreativeAssociation...](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItemCreativeAssociationError "LineItemCreativeAssociationError") [LineItemError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItemError) [LineItemFlightDateError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItemFlightDateError) [LineItemOperationError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.LineItemOperationError) [MobileApplicationTargetingE...](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.MobileApplicationTargetingError "MobileApplicationTargetingError") [NotNullError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.NotNullError) [NullError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.NullError) [OrderActionError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.OrderActionError) [OrderError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.OrderError) [ParseError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.ParseError) [PermissionError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.PermissionError) [PrecisionError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.PrecisionError) [ProgrammaticError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.ProgrammaticError) [PublisherQueryLanguageConte...](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.PublisherQueryLanguageContextError "PublisherQueryLanguageContextError") [PublisherQueryLanguageSynta...](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.PublisherQueryLanguageSyntaxError "PublisherQueryLanguageSyntaxError") [QuotaError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.QuotaError) [RangeError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.RangeError) [RegExError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.RegExError) [RequestPlatformTargetingError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.RequestPlatformTargetingError) **RequiredCollectionError** [RequiredError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.RequiredError) [RequiredNumberError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.RequiredNumberError) [RequiredSizeError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.RequiredSizeError) [ReservationDetailsError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.ReservationDetailsError) [ServerError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.ServerError) [SetTopBoxLineItemError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.SetTopBoxLineItemError) [StatementError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.StatementError) [StringFormatError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.StringFormatError) [StringLengthError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.StringLengthError) [TeamError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.TeamError) [TechnologyTargetingError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.TechnologyTargetingError) [TimeZoneError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.TimeZoneError) [TranscodingError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.TranscodingError) [TypeError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.TypeError) [UniqueError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.UniqueError) [UserDomainTargetingError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.UserDomainTargetingError) [VideoPositionTargetingError](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.VideoPositionTargetingError) A list of all errors to be used for validating sizes of collections. *** ** * ** *** 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/ForecastService.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. | | **`RequiredCollectionError`** || | ### `reason` | ` https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.RequiredCollectionError.Reason ` *** ** * ** *** **Enumerations** `REQUIRED` : A required collection is missing. `TOO_LARGE` : Collection size is too large. `TOO_SMALL` : Collection size is too small. `UNKNOWN` : The value returned if the actual value is not exposed by the requested API version.
|