# type NullError (v202505)

**Service** **AdjustmentService** [CompanyService](https://developers.google.com/ad-manager/api/reference/v202505/CompanyService.NullError) [CreativeService](https://developers.google.com/ad-manager/api/reference/v202505/CreativeService.NullError) [CreativeSetService](https://developers.google.com/ad-manager/api/reference/v202505/CreativeSetService.NullError) [CreativeTemplateService](https://developers.google.com/ad-manager/api/reference/v202505/CreativeTemplateService.NullError) [CreativeWrapperService](https://developers.google.com/ad-manager/api/reference/v202505/CreativeWrapperService.NullError) [CustomFieldService](https://developers.google.com/ad-manager/api/reference/v202505/CustomFieldService.NullError) [CustomTargetingService](https://developers.google.com/ad-manager/api/reference/v202505/CustomTargetingService.NullError) [DaiEncodingProfileService](https://developers.google.com/ad-manager/api/reference/v202505/DaiEncodingProfileService.NullError) [ForecastService](https://developers.google.com/ad-manager/api/reference/v202505/ForecastService.NullError) [InventoryService](https://developers.google.com/ad-manager/api/reference/v202505/InventoryService.NullError) [LabelService](https://developers.google.com/ad-manager/api/reference/v202505/LabelService.NullError) [LineItemCreativeAssociationService](https://developers.google.com/ad-manager/api/reference/v202505/LineItemCreativeAssociationService.NullError) [LineItemService](https://developers.google.com/ad-manager/api/reference/v202505/LineItemService.NullError) [LineItemTemplateService](https://developers.google.com/ad-manager/api/reference/v202505/LineItemTemplateService.NullError) [LiveStreamEventService](https://developers.google.com/ad-manager/api/reference/v202505/LiveStreamEventService.NullError) [MobileApplicationService](https://developers.google.com/ad-manager/api/reference/v202505/MobileApplicationService.NullError) [NativeStyleService](https://developers.google.com/ad-manager/api/reference/v202505/NativeStyleService.NullError) [OrderService](https://developers.google.com/ad-manager/api/reference/v202505/OrderService.NullError) [PlacementService](https://developers.google.com/ad-manager/api/reference/v202505/PlacementService.NullError) [ProposalService](https://developers.google.com/ad-manager/api/reference/v202505/ProposalService.NullError) [PublisherQueryLanguageService](https://developers.google.com/ad-manager/api/reference/v202505/PublisherQueryLanguageService.NullError) [SiteService](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.NullError) [TeamService](https://developers.google.com/ad-manager/api/reference/v202505/TeamService.NullError) [UserTeamAssociationService](https://developers.google.com/ad-manager/api/reference/v202505/UserTeamAssociationService.NullError) **Inheritance** [ApiError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.ApiError) ▼ [ApiVersionError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.ApiVersionError) [AuthenticationError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.AuthenticationError) [CollectionSizeError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.CollectionSizeError) [CommonError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.CommonError) [CustomTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.CustomTargetingError) [DateError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.DateError) [DateTimeRangeTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.DateTimeRangeTargetingError) [DayPartTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.DayPartTargetingError) [EntityLimitReachedError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.EntityLimitReachedError) [FeatureError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.FeatureError) [ForecastAdjustmentError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.ForecastAdjustmentError) [ForecastError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.ForecastError) [GenericTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.GenericTargetingError) [GeoTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.GeoTargetingError) [InternalApiError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.InternalApiError) [InvalidUrlError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.InvalidUrlError) [InventoryTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.InventoryTargetingError) [InventoryUnitError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.InventoryUnitError) [InventoryUnitSizesError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.InventoryUnitSizesError) [NotNullError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.NotNullError) **NullError** [ParseError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.ParseError) [PermissionError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.PermissionError) [PublisherQueryLanguageConte...](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.PublisherQueryLanguageContextError "PublisherQueryLanguageContextError") [PublisherQueryLanguageSynta...](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.PublisherQueryLanguageSyntaxError "PublisherQueryLanguageSyntaxError") [QuotaError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.QuotaError) [RequiredCollectionError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.RequiredCollectionError) [RequiredError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.RequiredError) [ServerError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.ServerError) [StatementError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.StatementError) [StringFormatError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.StringFormatError) [StringLengthError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.StringLengthError) [TechnologyTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.TechnologyTargetingError) [TrafficForecastSegmentError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.TrafficForecastSegmentError) [TypeError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.TypeError) [UniqueError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.UniqueError) [UserDomainTargetingError](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.UserDomainTargetingError)

Errors associated with violation of a NOT NULL check.

*** ** * ** ***

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/AdjustmentService.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. |
| **`NullError`** ||
| ### `reason` | ` https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.NullError.Reason ` The error reason represented by an enum. *** ** * ** *** **Enumerations** `NULL_CONTENT` :   Specified list/container must not contain any null elements <br /> |