[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06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 core content details various services within an ad management platform, including AdRule, Adjustment, AdsTxt, AudienceSegment, and many others. These services cover functionalities like content management, creative handling, targeting, forecasting, and reporting. Each service is associated with a `NotNullError.Reason`, which specifies potential errors, such as `ARG1_NULL`, `ARG2_NULL`, `ARG3_NULL`, `NULL`, and `UNKNOWN`, indicating null arguments or unspecified values. The services are under the namespace `https://www.google.com/apis/ads/publisher/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](/ad-manager/api/reference/v202502/ContentService.NotNullError.Reason) [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** [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/TeamService.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. |"]]