# type NullError (v202508)

**Service** [AdjustmentService](https://developers.google.com/ad-manager/api/reference/v202508/AdjustmentService.NullError) [CompanyService](https://developers.google.com/ad-manager/api/reference/v202508/CompanyService.NullError) [CreativeService](https://developers.google.com/ad-manager/api/reference/v202508/CreativeService.NullError) [CreativeSetService](https://developers.google.com/ad-manager/api/reference/v202508/CreativeSetService.NullError) [CreativeTemplateService](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.NullError) [CreativeWrapperService](https://developers.google.com/ad-manager/api/reference/v202508/CreativeWrapperService.NullError) [CustomFieldService](https://developers.google.com/ad-manager/api/reference/v202508/CustomFieldService.NullError) [CustomTargetingService](https://developers.google.com/ad-manager/api/reference/v202508/CustomTargetingService.NullError) [DaiEncodingProfileService](https://developers.google.com/ad-manager/api/reference/v202508/DaiEncodingProfileService.NullError) [ForecastService](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.NullError) [InventoryService](https://developers.google.com/ad-manager/api/reference/v202508/InventoryService.NullError) [LabelService](https://developers.google.com/ad-manager/api/reference/v202508/LabelService.NullError) **LineItemCreativeAssociation...** [LineItemService](https://developers.google.com/ad-manager/api/reference/v202508/LineItemService.NullError) [LineItemTemplateService](https://developers.google.com/ad-manager/api/reference/v202508/LineItemTemplateService.NullError) [LiveStreamEventService](https://developers.google.com/ad-manager/api/reference/v202508/LiveStreamEventService.NullError) [MobileApplicationService](https://developers.google.com/ad-manager/api/reference/v202508/MobileApplicationService.NullError) [NativeStyleService](https://developers.google.com/ad-manager/api/reference/v202508/NativeStyleService.NullError) [OrderService](https://developers.google.com/ad-manager/api/reference/v202508/OrderService.NullError) [PlacementService](https://developers.google.com/ad-manager/api/reference/v202508/PlacementService.NullError) [ProposalService](https://developers.google.com/ad-manager/api/reference/v202508/ProposalService.NullError) [PublisherQueryLanguageService](https://developers.google.com/ad-manager/api/reference/v202508/PublisherQueryLanguageService.NullError) [SiteService](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.NullError) [TeamService](https://developers.google.com/ad-manager/api/reference/v202508/TeamService.NullError) [UserTeamAssociationService](https://developers.google.com/ad-manager/api/reference/v202508/UserTeamAssociationService.NullError) **Inheritance** [ApiError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.ApiError) ▼ [AdSenseAccountError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.AdSenseAccountError) [ApiVersionError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.ApiVersionError) [AssetError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.AssetError) [AudienceExtensionError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.AudienceExtensionError) [AuthenticationError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.AuthenticationError) [CollectionSizeError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.CollectionSizeError) [CommonError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.CommonError) [CreativeAssetMacroError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.CreativeAssetMacroError) [CreativeError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.CreativeError) [CreativePreviewError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.CreativePreviewError) [CreativeSetError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.CreativeSetError) [CreativeTemplateError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.CreativeTemplateError) [CreativeTemplateOperationError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.CreativeTemplateOperationError) [CrossSellError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.CrossSellError) [CustomCreativeError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.CustomCreativeError) [CustomFieldValueError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.CustomFieldValueError) [EntityChildrenLimitReachedE...](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.EntityChildrenLimitReachedError "EntityChildrenLimitReachedError") [EntityLimitReachedError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.EntityLimitReachedError) [FeatureError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.FeatureError) [FileError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.FileError) [HtmlBundleProcessorError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.HtmlBundleProcessorError) [ImageError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.ImageError) [InternalApiError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.InternalApiError) [InvalidPhoneNumberError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.InvalidPhoneNumberError) [InvalidUrlError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.InvalidUrlError) [LabelEntityAssociationError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.LabelEntityAssociationError) [LineItemCreativeAssociation...](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.LineItemCreativeAssociationError "LineItemCreativeAssociationError") [LineItemCreativeAssociation...](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.LineItemCreativeAssociationOperationError "LineItemCreativeAssociationOperationError") [LineItemError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.LineItemError) [NotNullError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.NotNullError) **NullError** [OrderError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.OrderError) [ParseError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.ParseError) [PermissionError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.PermissionError) [PublisherQueryLanguageConte...](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.PublisherQueryLanguageContextError "PublisherQueryLanguageContextError") [PublisherQueryLanguageSynta...](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.PublisherQueryLanguageSyntaxError "PublisherQueryLanguageSyntaxError") [QuotaError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.QuotaError) [RangeError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.RangeError) [RequiredCollectionError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.RequiredCollectionError) [RequiredError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.RequiredError) [RequiredNumberError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.RequiredNumberError) [RequiredSizeError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.RequiredSizeError) [RichMediaStudioCreativeError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.RichMediaStudioCreativeError) [ServerError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.ServerError) [SetTopBoxCreativeError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.SetTopBoxCreativeError) [StatementError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.StatementError) [StringFormatError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.StringFormatError) [StringLengthError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.StringLengthError) [SwiffyConversionError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.SwiffyConversionError) [TemplateInstantiatedCreativ...](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.TemplateInstantiatedCreativeError "TemplateInstantiatedCreativeError") [TranscodingError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.TranscodingError) [TypeError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.TypeError) [UniqueError](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.UniqueError)

Caused by supplying a non-null value for an attribute that should be null.

*** ** * ** ***

Namespace
:
    `https://www.google.com/apis/ads/publisher/v202508`

| ## Field ||
|---|---|
| **`ApiError` (inherited)** ||
| ### `fieldPath` | ` xsd:string` The OGNL field path to identify cause of error. |
| ### `fieldPathElements` | ` https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.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/v202508/LineItemCreativeAssociationService.NullError.Reason ` The error reason represented by an enum. *** ** * ** *** **Enumerations** `NOT_NULL` : `UNKNOWN` :   The value returned if the actual value is not exposed by the requested API version. <br /> |