[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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."],[],["The document lists various services within an ad management system, including Adjustment, Company, Creative, Forecast, Inventory, and others. Each service has a corresponding `NullError.Reason` for validation. `NullError` is a dependency, specifically `NullError.Reason`, which indicates why a validation failed. One reason listed is `NULL_CONTENT`, which means a provided list or container cannot include null elements. All the services belong to the namespace `https://www.google.com/apis/ads/publisher/v202502`.\n"],null,["# enum NullError.Reason (v202502)\n\n**Service** \n[AdjustmentService](/ad-manager/api/reference/v202502/AdjustmentService.NullError.Reason) [CompanyService](/ad-manager/api/reference/v202502/CompanyService.NullError.Reason) [CreativeService](/ad-manager/api/reference/v202502/CreativeService.NullError.Reason) [CreativeSetService](/ad-manager/api/reference/v202502/CreativeSetService.NullError.Reason) [CreativeTemplateService](/ad-manager/api/reference/v202502/CreativeTemplateService.NullError.Reason) [CreativeWrapperService](/ad-manager/api/reference/v202502/CreativeWrapperService.NullError.Reason) [CustomFieldService](/ad-manager/api/reference/v202502/CustomFieldService.NullError.Reason) [CustomTargetingService](/ad-manager/api/reference/v202502/CustomTargetingService.NullError.Reason) [DaiEncodingProfileService](/ad-manager/api/reference/v202502/DaiEncodingProfileService.NullError.Reason) [ForecastService](/ad-manager/api/reference/v202502/ForecastService.NullError.Reason) [InventoryService](/ad-manager/api/reference/v202502/InventoryService.NullError.Reason) [LabelService](/ad-manager/api/reference/v202502/LabelService.NullError.Reason) [LineItemCreativeAssociationService](/ad-manager/api/reference/v202502/LineItemCreativeAssociationService.NullError.Reason) [LineItemService](/ad-manager/api/reference/v202502/LineItemService.NullError.Reason) [LineItemTemplateService](/ad-manager/api/reference/v202502/LineItemTemplateService.NullError.Reason) [LiveStreamEventService](/ad-manager/api/reference/v202502/LiveStreamEventService.NullError.Reason) [MobileApplicationService](/ad-manager/api/reference/v202502/MobileApplicationService.NullError.Reason) [NativeStyleService](/ad-manager/api/reference/v202502/NativeStyleService.NullError.Reason) [OrderService](/ad-manager/api/reference/v202502/OrderService.NullError.Reason) [PlacementService](/ad-manager/api/reference/v202502/PlacementService.NullError.Reason) **ProposalService** [PublisherQueryLanguageService](/ad-manager/api/reference/v202502/PublisherQueryLanguageService.NullError.Reason) [SiteService](/ad-manager/api/reference/v202502/SiteService.NullError.Reason) [TeamService](/ad-manager/api/reference/v202502/TeamService.NullError.Reason) [UserTeamAssociationService](/ad-manager/api/reference/v202502/UserTeamAssociationService.NullError.Reason) **Dependencies** \n[NullError](/ad-manager/api/reference/v202502/ProposalService.NullError) \n▼\n**NullError.Reason**\n\nThe reasons for the validation error.\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202502`\n\n| Enumeration | Description |\n|----------------|-------------------------------------------------------------|\n| `NULL_CONTENT` | Specified list/container must not contain any null elements |"]]
