[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06 UTC."],[[["\u003cp\u003eThis documentation details the \u003ccode\u003eRequiredCollectionError\u003c/code\u003e within the context of the Google Ad Manager API's SiteService.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eRequiredCollectionError\u003c/code\u003e is a type of \u003ccode\u003eApiError\u003c/code\u003e indicating an issue with a required collection, such as its size or missing elements.\u003c/p\u003e\n"],["\u003cp\u003eThis error includes information about the field path, error reason (like \u003ccode\u003eREQUIRED\u003c/code\u003e, \u003ccode\u003eTOO_LARGE\u003c/code\u003e, or \u003ccode\u003eTOO_SMALL\u003c/code\u003e), and a descriptive error string.\u003c/p\u003e\n"],["\u003cp\u003eDevelopers using the Ad Manager API should be aware of this error and handle it appropriately to ensure successful site operations.\u003c/p\u003e\n"]]],["This document outlines various services within an ad management API, version v202408, including AdRuleService, AdjustmentService, and others totaling over 30. It also specifies error handling, detailed within `ApiError` and `RequiredCollectionError`. `ApiError` contains properties like `fieldPath`, `trigger`, and `errorString`. `RequiredCollectionError` defines `reason`, which can be `REQUIRED`, `TOO_LARGE`, `TOO_SMALL`, or `UNKNOWN`, in relation to collection size or specific requirements.\n"],null,["# type RequiredCollectionError (v202408)\n\n**Service** \n[AdRuleService](/ad-manager/api/reference/v202408/AdRuleService.RequiredCollectionError) [AdjustmentService](/ad-manager/api/reference/v202408/AdjustmentService.RequiredCollectionError) [AdsTxtService](/ad-manager/api/reference/v202408/AdsTxtService.RequiredCollectionError) [AudienceSegmentService](/ad-manager/api/reference/v202408/AudienceSegmentService.RequiredCollectionError) [CdnConfigurationService](/ad-manager/api/reference/v202408/CdnConfigurationService.RequiredCollectionError) [CmsMetadataService](/ad-manager/api/reference/v202408/CmsMetadataService.RequiredCollectionError) [CompanyService](/ad-manager/api/reference/v202408/CompanyService.RequiredCollectionError) [ContactService](/ad-manager/api/reference/v202408/ContactService.RequiredCollectionError) [ContentBundleService](/ad-manager/api/reference/v202408/ContentBundleService.RequiredCollectionError) [ContentService](/ad-manager/api/reference/v202408/ContentService.RequiredCollectionError) [CreativeService](/ad-manager/api/reference/v202408/CreativeService.RequiredCollectionError) [CreativeSetService](/ad-manager/api/reference/v202408/CreativeSetService.RequiredCollectionError) [CreativeTemplateService](/ad-manager/api/reference/v202408/CreativeTemplateService.RequiredCollectionError) [CreativeWrapperService](/ad-manager/api/reference/v202408/CreativeWrapperService.RequiredCollectionError) [CustomFieldService](/ad-manager/api/reference/v202408/CustomFieldService.RequiredCollectionError) [CustomTargetingService](/ad-manager/api/reference/v202408/CustomTargetingService.RequiredCollectionError) [DaiAuthenticationKeyService](/ad-manager/api/reference/v202408/DaiAuthenticationKeyService.RequiredCollectionError) [DaiEncodingProfileService](/ad-manager/api/reference/v202408/DaiEncodingProfileService.RequiredCollectionError) [ForecastService](/ad-manager/api/reference/v202408/ForecastService.RequiredCollectionError) [InventoryService](/ad-manager/api/reference/v202408/InventoryService.RequiredCollectionError) [LabelService](/ad-manager/api/reference/v202408/LabelService.RequiredCollectionError) [LineItemCreativeAssociationService](/ad-manager/api/reference/v202408/LineItemCreativeAssociationService.RequiredCollectionError) [LineItemService](/ad-manager/api/reference/v202408/LineItemService.RequiredCollectionError) [LineItemTemplateService](/ad-manager/api/reference/v202408/LineItemTemplateService.RequiredCollectionError) [LiveStreamEventService](/ad-manager/api/reference/v202408/LiveStreamEventService.RequiredCollectionError) [MobileApplicationService](/ad-manager/api/reference/v202408/MobileApplicationService.RequiredCollectionError) [NativeStyleService](/ad-manager/api/reference/v202408/NativeStyleService.RequiredCollectionError) [NetworkService](/ad-manager/api/reference/v202408/NetworkService.RequiredCollectionError) [OrderService](/ad-manager/api/reference/v202408/OrderService.RequiredCollectionError) [PlacementService](/ad-manager/api/reference/v202408/PlacementService.RequiredCollectionError) [ProposalLineItemService](/ad-manager/api/reference/v202408/ProposalLineItemService.RequiredCollectionError) [ProposalService](/ad-manager/api/reference/v202408/ProposalService.RequiredCollectionError) [PublisherQueryLanguageService](/ad-manager/api/reference/v202408/PublisherQueryLanguageService.RequiredCollectionError) [ReportService](/ad-manager/api/reference/v202408/ReportService.RequiredCollectionError) [SegmentPopulationService](/ad-manager/api/reference/v202408/SegmentPopulationService.RequiredCollectionError) **SiteService** [StreamActivityMonitorService](/ad-manager/api/reference/v202408/StreamActivityMonitorService.RequiredCollectionError) [SuggestedAdUnitService](/ad-manager/api/reference/v202408/SuggestedAdUnitService.RequiredCollectionError) [TargetingPresetService](/ad-manager/api/reference/v202408/TargetingPresetService.RequiredCollectionError) [TeamService](/ad-manager/api/reference/v202408/TeamService.RequiredCollectionError) [UserService](/ad-manager/api/reference/v202408/UserService.RequiredCollectionError) [UserTeamAssociationService](/ad-manager/api/reference/v202408/UserTeamAssociationService.RequiredCollectionError) [YieldGroupService](/ad-manager/api/reference/v202408/YieldGroupService.RequiredCollectionError) **Inheritance** \n[ApiError](/ad-manager/api/reference/v202408/SiteService.ApiError) \n▼\n[AdSenseAccountError](/ad-manager/api/reference/v202408/SiteService.AdSenseAccountError) [ApiVersionError](/ad-manager/api/reference/v202408/SiteService.ApiVersionError) [AuthenticationError](/ad-manager/api/reference/v202408/SiteService.AuthenticationError) [CollectionSizeError](/ad-manager/api/reference/v202408/SiteService.CollectionSizeError) [CommonError](/ad-manager/api/reference/v202408/SiteService.CommonError) [EntityLimitReachedError](/ad-manager/api/reference/v202408/SiteService.EntityLimitReachedError) [FeatureError](/ad-manager/api/reference/v202408/SiteService.FeatureError) [InternalApiError](/ad-manager/api/reference/v202408/SiteService.InternalApiError) [NotNullError](/ad-manager/api/reference/v202408/SiteService.NotNullError) [NullError](/ad-manager/api/reference/v202408/SiteService.NullError) [ParseError](/ad-manager/api/reference/v202408/SiteService.ParseError) [PermissionError](/ad-manager/api/reference/v202408/SiteService.PermissionError) [PublisherQueryLanguageConte...](/ad-manager/api/reference/v202408/SiteService.PublisherQueryLanguageContextError \"PublisherQueryLanguageContextError\") [PublisherQueryLanguageSynta...](/ad-manager/api/reference/v202408/SiteService.PublisherQueryLanguageSyntaxError \"PublisherQueryLanguageSyntaxError\") [QuotaError](/ad-manager/api/reference/v202408/SiteService.QuotaError) **RequiredCollectionError** [RequiredError](/ad-manager/api/reference/v202408/SiteService.RequiredError) [ServerError](/ad-manager/api/reference/v202408/SiteService.ServerError) [SiteError](/ad-manager/api/reference/v202408/SiteService.SiteError) [StatementError](/ad-manager/api/reference/v202408/SiteService.StatementError) [StringFormatError](/ad-manager/api/reference/v202408/SiteService.StringFormatError) [StringLengthError](/ad-manager/api/reference/v202408/SiteService.StringLengthError) [UrlError](/ad-manager/api/reference/v202408/SiteService.UrlError)\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202408`\n\n| Field ----- ||\n|-------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| **`ApiError` (inherited)** ||\n| ### `fieldPath` | ` `xsd:`string` \u003cbr /\u003e |\n| ### `fieldPathElements` | ` `[FieldPathElement](/ad-manager/api/reference/v202408/SiteService.FieldPathElement)`[]` \u003cbr /\u003e |\n| ### `trigger` | ` `xsd:`string` \u003cbr /\u003e |\n| ### `errorString` | ` `xsd:`string` \u003cbr /\u003e |\n| **`RequiredCollectionError`** ||\n| ### `reason` | ` `[RequiredCollectionError.Reason](/ad-manager/api/reference/v202408/SiteService.RequiredCollectionError.Reason)` ` *** ** * ** *** **Enumerations** `REQUIRED` : `TOO_LARGE` : `TOO_SMALL` : `UNKNOWN` : \u003cbr /\u003e |"]]