# type NotNullError (v202505)

**Service** [AdRuleService](https://developers.google.com/ad-manager/api/reference/v202505/AdRuleService.NotNullError) [AdjustmentService](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.NotNullError) [AdsTxtService](https://developers.google.com/ad-manager/api/reference/v202505/AdsTxtService.NotNullError) [AudienceSegmentService](https://developers.google.com/ad-manager/api/reference/v202505/AudienceSegmentService.NotNullError) [CdnConfigurationService](https://developers.google.com/ad-manager/api/reference/v202505/CdnConfigurationService.NotNullError) [CmsMetadataService](https://developers.google.com/ad-manager/api/reference/v202505/CmsMetadataService.NotNullError) [CompanyService](https://developers.google.com/ad-manager/api/reference/v202505/CompanyService.NotNullError) [ContactService](https://developers.google.com/ad-manager/api/reference/v202505/ContactService.NotNullError) [ContentBundleService](https://developers.google.com/ad-manager/api/reference/v202505/ContentBundleService.NotNullError) [ContentService](https://developers.google.com/ad-manager/api/reference/v202505/ContentService.NotNullError) [CreativeService](https://developers.google.com/ad-manager/api/reference/v202505/CreativeService.NotNullError) [CreativeSetService](https://developers.google.com/ad-manager/api/reference/v202505/CreativeSetService.NotNullError) [CreativeTemplateService](https://developers.google.com/ad-manager/api/reference/v202505/CreativeTemplateService.NotNullError) [CreativeWrapperService](https://developers.google.com/ad-manager/api/reference/v202505/CreativeWrapperService.NotNullError) [CustomFieldService](https://developers.google.com/ad-manager/api/reference/v202505/CustomFieldService.NotNullError) [CustomTargetingService](https://developers.google.com/ad-manager/api/reference/v202505/CustomTargetingService.NotNullError) [DaiAuthenticationKeyService](https://developers.google.com/ad-manager/api/reference/v202505/DaiAuthenticationKeyService.NotNullError) [DaiEncodingProfileService](https://developers.google.com/ad-manager/api/reference/v202505/DaiEncodingProfileService.NotNullError) [ForecastService](https://developers.google.com/ad-manager/api/reference/v202505/ForecastService.NotNullError) [InventoryService](https://developers.google.com/ad-manager/api/reference/v202505/InventoryService.NotNullError) [LabelService](https://developers.google.com/ad-manager/api/reference/v202505/LabelService.NotNullError) [LineItemCreativeAssociationService](https://developers.google.com/ad-manager/api/reference/v202505/LineItemCreativeAssociationService.NotNullError) [LineItemService](https://developers.google.com/ad-manager/api/reference/v202505/LineItemService.NotNullError) [LineItemTemplateService](https://developers.google.com/ad-manager/api/reference/v202505/LineItemTemplateService.NotNullError) [LiveStreamEventService](https://developers.google.com/ad-manager/api/reference/v202505/LiveStreamEventService.NotNullError) [MobileApplicationService](https://developers.google.com/ad-manager/api/reference/v202505/MobileApplicationService.NotNullError) [NativeStyleService](https://developers.google.com/ad-manager/api/reference/v202505/NativeStyleService.NotNullError) [NetworkService](https://developers.google.com/ad-manager/api/reference/v202505/NetworkService.NotNullError) [OrderService](https://developers.google.com/ad-manager/api/reference/v202505/OrderService.NotNullError) [PlacementService](https://developers.google.com/ad-manager/api/reference/v202505/PlacementService.NotNullError) **ProposalLineItemService** [ProposalService](https://developers.google.com/ad-manager/api/reference/v202505/ProposalService.NotNullError) [PublisherQueryLanguageService](https://developers.google.com/ad-manager/api/reference/v202505/PublisherQueryLanguageService.NotNullError) [ReportService](https://developers.google.com/ad-manager/api/reference/v202505/ReportService.NotNullError) [SegmentPopulationService](https://developers.google.com/ad-manager/api/reference/v202505/SegmentPopulationService.NotNullError) [SiteService](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.NotNullError) [StreamActivityMonitorService](https://developers.google.com/ad-manager/api/reference/v202505/StreamActivityMonitorService.NotNullError) [SuggestedAdUnitService](https://developers.google.com/ad-manager/api/reference/v202505/SuggestedAdUnitService.NotNullError) [TargetingPresetService](https://developers.google.com/ad-manager/api/reference/v202505/TargetingPresetService.NotNullError) [TeamService](https://developers.google.com/ad-manager/api/reference/v202505/TeamService.NotNullError) [UserService](https://developers.google.com/ad-manager/api/reference/v202505/UserService.NotNullError) [UserTeamAssociationService](https://developers.google.com/ad-manager/api/reference/v202505/UserTeamAssociationService.NotNullError) [YieldGroupService](https://developers.google.com/ad-manager/api/reference/v202505/YieldGroupService.NotNullError) **Inheritance** [ApiError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ApiError) ▼ [ApiVersionError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ApiVersionError) [AudienceSegmentError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.AudienceSegmentError) [AuthenticationError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.AuthenticationError) [BillingError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.BillingError) [CollectionSizeError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.CollectionSizeError) [CommonError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.CommonError) [CurrencyCodeError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.CurrencyCodeError) [CustomFieldValueError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.CustomFieldValueError) [CustomTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.CustomTargetingError) [DateTimeRangeTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.DateTimeRangeTargetingError) [DayPartTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.DayPartTargetingError) [DealError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.DealError) [EntityChildrenLimitReachedE...](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.EntityChildrenLimitReachedError "EntityChildrenLimitReachedError") [EntityLimitReachedError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.EntityLimitReachedError) [ExchangeRateError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ExchangeRateError) [FeatureError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.FeatureError) [ForecastError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ForecastError) [FrequencyCapError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.FrequencyCapError) [GenericTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.GenericTargetingError) [GeoTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.GeoTargetingError) [GrpSettingsError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.GrpSettingsError) [InternalApiError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.InternalApiError) [InventoryTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.InventoryTargetingError) [LabelEntityAssociationError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.LabelEntityAssociationError) [LineItemError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.LineItemError) [LineItemFlightDateError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.LineItemFlightDateError) [LineItemOperationError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.LineItemOperationError) [MobileApplicationTargetingE...](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.MobileApplicationTargetingError "MobileApplicationTargetingError") **NotNullError** [ParseError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ParseError) [PermissionError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.PermissionError) [PrecisionError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.PrecisionError) [PreferredDealError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.PreferredDealError) [ProgrammaticError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ProgrammaticError) [ProposalActionError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ProposalActionError) [ProposalError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ProposalError) [ProposalLineItemActionError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ProposalLineItemActionError) [ProposalLineItemError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ProposalLineItemError) [ProposalLineItemMakegoodError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ProposalLineItemMakegoodError) [ProposalLineItemProgrammati...](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ProposalLineItemProgrammaticError "ProposalLineItemProgrammaticError") [PublisherQueryLanguageConte...](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.PublisherQueryLanguageContextError "PublisherQueryLanguageContextError") [PublisherQueryLanguageSynta...](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.PublisherQueryLanguageSyntaxError "PublisherQueryLanguageSyntaxError") [QuotaError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.QuotaError) [RangeError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.RangeError) [RequestPlatformTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.RequestPlatformTargetingError) [RequiredCollectionError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.RequiredCollectionError) [RequiredError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.RequiredError) [RequiredNumberError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.RequiredNumberError) [ReservationDetailsError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ReservationDetailsError) [ServerError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.ServerError) [StatementError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.StatementError) [StringFormatError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.StringFormatError) [StringLengthError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.StringLengthError) [TeamError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.TeamError) [TechnologyTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.TechnologyTargetingError) [TimeZoneError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.TimeZoneError) [TypeError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.TypeError) [UniqueError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.UniqueError) [UserDomainTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.UserDomainTargetingError) [VideoPositionTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.VideoPositionTargetingError)

Caused by supplying a null value for an attribute that cannot be null.

*** ** * ** ***

Namespace
:
    `https://www.google.com/apis/ads/publisher/v202505`

| ## Field ||
|---|---|
| **`ApiError` (inherited)** ||
| ### `fieldPath` | ` xsd:string` The OGNL field path to identify cause of error. |
| ### `fieldPathElements` | ` https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.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. |
| **`NotNullError`** ||
| ### `reason` | ` https://developers.google.com/ad-manager/api/reference/v202505/ProposalLineItemService.NotNullError.Reason ` The error reason represented by an enum. *** ** * ** *** **Enumerations** `ARG1_NULL` :   Assuming that a method will not have more than 3 arguments, if it does, return NULL `ARG2_NULL` : `ARG3_NULL` : `NULL` : `UNKNOWN` :   The value returned if the actual value is not exposed by the requested API version. <br /> |