[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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 provided content outlines various services within an ad management system, including AdRule, Adjustment, AdsTxt, AudienceSegment, and many others. These services manage aspects like CDN configuration, company data, creative content, forecasting, inventory, line items, and more. Additionally, it details the `NotNullError` dependency, which outlines potential reasons for errors such as `ARG1_NULL`, `ARG2_NULL`, `ARG3_NULL`, `NULL`, and `UNKNOWN`, linked to a specific API version (v202502).\n"],null,["# enum NotNullError.Reason (v202502)\n\n**Service** \n[AdRuleService](/ad-manager/api/reference/v202502/AdRuleService.NotNullError.Reason) [AdjustmentService](/ad-manager/api/reference/v202502/AdjustmentService.NotNullError.Reason) [AdsTxtService](/ad-manager/api/reference/v202502/AdsTxtService.NotNullError.Reason) [AudienceSegmentService](/ad-manager/api/reference/v202502/AudienceSegmentService.NotNullError.Reason) [CdnConfigurationService](/ad-manager/api/reference/v202502/CdnConfigurationService.NotNullError.Reason) [CmsMetadataService](/ad-manager/api/reference/v202502/CmsMetadataService.NotNullError.Reason) [CompanyService](/ad-manager/api/reference/v202502/CompanyService.NotNullError.Reason) [ContactService](/ad-manager/api/reference/v202502/ContactService.NotNullError.Reason) [ContentBundleService](/ad-manager/api/reference/v202502/ContentBundleService.NotNullError.Reason) **ContentService** [CreativeService](/ad-manager/api/reference/v202502/CreativeService.NotNullError.Reason) [CreativeSetService](/ad-manager/api/reference/v202502/CreativeSetService.NotNullError.Reason) [CreativeTemplateService](/ad-manager/api/reference/v202502/CreativeTemplateService.NotNullError.Reason) [CreativeWrapperService](/ad-manager/api/reference/v202502/CreativeWrapperService.NotNullError.Reason) [CustomFieldService](/ad-manager/api/reference/v202502/CustomFieldService.NotNullError.Reason) [CustomTargetingService](/ad-manager/api/reference/v202502/CustomTargetingService.NotNullError.Reason) [DaiAuthenticationKeyService](/ad-manager/api/reference/v202502/DaiAuthenticationKeyService.NotNullError.Reason) [DaiEncodingProfileService](/ad-manager/api/reference/v202502/DaiEncodingProfileService.NotNullError.Reason) [ForecastService](/ad-manager/api/reference/v202502/ForecastService.NotNullError.Reason) [InventoryService](/ad-manager/api/reference/v202502/InventoryService.NotNullError.Reason) [LabelService](/ad-manager/api/reference/v202502/LabelService.NotNullError.Reason) [LineItemCreativeAssociationService](/ad-manager/api/reference/v202502/LineItemCreativeAssociationService.NotNullError.Reason) [LineItemService](/ad-manager/api/reference/v202502/LineItemService.NotNullError.Reason) [LineItemTemplateService](/ad-manager/api/reference/v202502/LineItemTemplateService.NotNullError.Reason) [LiveStreamEventService](/ad-manager/api/reference/v202502/LiveStreamEventService.NotNullError.Reason) [MobileApplicationService](/ad-manager/api/reference/v202502/MobileApplicationService.NotNullError.Reason) [NativeStyleService](/ad-manager/api/reference/v202502/NativeStyleService.NotNullError.Reason) [NetworkService](/ad-manager/api/reference/v202502/NetworkService.NotNullError.Reason) [OrderService](/ad-manager/api/reference/v202502/OrderService.NotNullError.Reason) [PlacementService](/ad-manager/api/reference/v202502/PlacementService.NotNullError.Reason) [ProposalLineItemService](/ad-manager/api/reference/v202502/ProposalLineItemService.NotNullError.Reason) [ProposalService](/ad-manager/api/reference/v202502/ProposalService.NotNullError.Reason) [PublisherQueryLanguageService](/ad-manager/api/reference/v202502/PublisherQueryLanguageService.NotNullError.Reason) [ReportService](/ad-manager/api/reference/v202502/ReportService.NotNullError.Reason) [SegmentPopulationService](/ad-manager/api/reference/v202502/SegmentPopulationService.NotNullError.Reason) [SiteService](/ad-manager/api/reference/v202502/SiteService.NotNullError.Reason) [StreamActivityMonitorService](/ad-manager/api/reference/v202502/StreamActivityMonitorService.NotNullError.Reason) [SuggestedAdUnitService](/ad-manager/api/reference/v202502/SuggestedAdUnitService.NotNullError.Reason) [TargetingPresetService](/ad-manager/api/reference/v202502/TargetingPresetService.NotNullError.Reason) [TeamService](/ad-manager/api/reference/v202502/TeamService.NotNullError.Reason) [UserService](/ad-manager/api/reference/v202502/UserService.NotNullError.Reason) [UserTeamAssociationService](/ad-manager/api/reference/v202502/UserTeamAssociationService.NotNullError.Reason) [YieldGroupService](/ad-manager/api/reference/v202502/YieldGroupService.NotNullError.Reason) **Dependencies** \n[NotNullError](/ad-manager/api/reference/v202502/ContentService.NotNullError) \n▼\n**NotNullError.Reason**\n\nThe reasons for the target error.\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202502`\n\n| Enumeration | Description |\n|-------------|-------------------------------------------------------------------------------------|\n| `ARG1_NULL` | Assuming that a method will not have more than 3 arguments, if it does, return NULL |\n| `ARG2_NULL` | |\n| `ARG3_NULL` | |\n| `NULL` | |\n| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |"]]