**Service** [AdRuleService](https://developers.google.com/ad-manager/api/reference/v202608/AdRuleService.UniqueError) [AdjustmentService](https://developers.google.com/ad-manager/api/reference/v202608/AdjustmentService.UniqueError) [CmsMetadataService](https://developers.google.com/ad-manager/api/reference/v202608/CmsMetadataService.UniqueError) [CompanyService](https://developers.google.com/ad-manager/api/reference/v202608/CompanyService.UniqueError) [ContactService](https://developers.google.com/ad-manager/api/reference/v202608/ContactService.UniqueError) [ContentBundleService](https://developers.google.com/ad-manager/api/reference/v202608/ContentBundleService.UniqueError) [CreativeService](https://developers.google.com/ad-manager/api/reference/v202608/CreativeService.UniqueError) [CreativeSetService](https://developers.google.com/ad-manager/api/reference/v202608/CreativeSetService.UniqueError) [CreativeTemplateService](https://developers.google.com/ad-manager/api/reference/v202608/CreativeTemplateService.UniqueError) [CreativeWrapperService](https://developers.google.com/ad-manager/api/reference/v202608/CreativeWrapperService.UniqueError) [CustomFieldService](https://developers.google.com/ad-manager/api/reference/v202608/CustomFieldService.UniqueError) [CustomTargetingService](https://developers.google.com/ad-manager/api/reference/v202608/CustomTargetingService.UniqueError) [DaiAuthenticationKeyService](https://developers.google.com/ad-manager/api/reference/v202608/DaiAuthenticationKeyService.UniqueError) [DaiEncodingProfileService](https://developers.google.com/ad-manager/api/reference/v202608/DaiEncodingProfileService.UniqueError) [ForecastService](https://developers.google.com/ad-manager/api/reference/v202608/ForecastService.UniqueError) [InventoryService](https://developers.google.com/ad-manager/api/reference/v202608/InventoryService.UniqueError) [LabelService](https://developers.google.com/ad-manager/api/reference/v202608/LabelService.UniqueError) **LineItemCreativeAssociation...** [LineItemService](https://developers.google.com/ad-manager/api/reference/v202608/LineItemService.UniqueError) [LineItemTemplateService](https://developers.google.com/ad-manager/api/reference/v202608/LineItemTemplateService.UniqueError) [LiveStreamEventService](https://developers.google.com/ad-manager/api/reference/v202608/LiveStreamEventService.UniqueError) [MobileApplicationService](https://developers.google.com/ad-manager/api/reference/v202608/MobileApplicationService.UniqueError) [NativeStyleService](https://developers.google.com/ad-manager/api/reference/v202608/NativeStyleService.UniqueError) [NetworkService](https://developers.google.com/ad-manager/api/reference/v202608/NetworkService.UniqueError) [OrderService](https://developers.google.com/ad-manager/api/reference/v202608/OrderService.UniqueError) [PlacementService](https://developers.google.com/ad-manager/api/reference/v202608/PlacementService.UniqueError) [ProposalLineItemService](https://developers.google.com/ad-manager/api/reference/v202608/ProposalLineItemService.UniqueError) [ProposalService](https://developers.google.com/ad-manager/api/reference/v202608/ProposalService.UniqueError) [PublisherQueryLanguageService](https://developers.google.com/ad-manager/api/reference/v202608/PublisherQueryLanguageService.UniqueError) [SuggestedAdUnitService](https://developers.google.com/ad-manager/api/reference/v202608/SuggestedAdUnitService.UniqueError) [TargetingPresetService](https://developers.google.com/ad-manager/api/reference/v202608/TargetingPresetService.UniqueError) [TeamService](https://developers.google.com/ad-manager/api/reference/v202608/TeamService.UniqueError) [UserService](https://developers.google.com/ad-manager/api/reference/v202608/UserService.UniqueError) [YieldGroupService](https://developers.google.com/ad-manager/api/reference/v202608/YieldGroupService.UniqueError) **Inheritance** [ApiError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.ApiError) ▼ [AdSenseAccountError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.AdSenseAccountError) [ApiVersionError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.ApiVersionError) [AssetError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.AssetError) [AuthenticationError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.AuthenticationError) [CollectionSizeError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.CollectionSizeError) [CommonError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.CommonError) [CreativeAssetMacroError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.CreativeAssetMacroError) [CreativeError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.CreativeError) [CreativePreviewError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.CreativePreviewError) [CreativeSetError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.CreativeSetError) [CreativeTemplateError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.CreativeTemplateError) [CreativeTemplateOperationError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.CreativeTemplateOperationError) [CrossSellError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.CrossSellError) [CustomCreativeError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.CustomCreativeError) [CustomFieldValueError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.CustomFieldValueError) [EntityChildrenLimitReachedE...](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.EntityChildrenLimitReachedError "EntityChildrenLimitReachedError") [EntityLimitReachedError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.EntityLimitReachedError) [FeatureError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.FeatureError) [FileError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.FileError) [HtmlBundleProcessorError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.HtmlBundleProcessorError) [ImageError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.ImageError) [InternalApiError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.InternalApiError) [InvalidPhoneNumberError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.InvalidPhoneNumberError) [InvalidUrlError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.InvalidUrlError) [LabelEntityAssociationError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.LabelEntityAssociationError) [LineItemCreativeAssociation...](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.LineItemCreativeAssociationError "LineItemCreativeAssociationError") [LineItemCreativeAssociation...](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.LineItemCreativeAssociationOperationError "LineItemCreativeAssociationOperationError") [LineItemError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.LineItemError) [NotNullError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.NotNullError) [NullError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.NullError) [OrderError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.OrderError) [ParseError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.ParseError) [PermissionError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.PermissionError) [PublisherQueryLanguageConte...](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.PublisherQueryLanguageContextError "PublisherQueryLanguageContextError") [PublisherQueryLanguageSynta...](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.PublisherQueryLanguageSyntaxError "PublisherQueryLanguageSyntaxError") [QuotaError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.QuotaError) [RangeError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.RangeError) [RequestError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.RequestError) [RequiredCollectionError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.RequiredCollectionError) [RequiredError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.RequiredError) [RequiredNumberError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.RequiredNumberError) [RequiredSizeError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.RequiredSizeError) [RichMediaStudioCreativeError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.RichMediaStudioCreativeError) [ServerError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.ServerError) [SetTopBoxCreativeError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.SetTopBoxCreativeError) [StatementError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.StatementError) [StringFormatError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.StringFormatError) [StringLengthError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.StringLengthError) [SwiffyConversionError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.SwiffyConversionError) [TemplateInstantiatedCreativ...](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.TemplateInstantiatedCreativeError "TemplateInstantiatedCreativeError") [TranscodingError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.TranscodingError) [TypeError](https://developers.google.com/ad-manager/api/reference/v202608/LineItemCreativeAssociationService.TypeError) **UniqueError**

An error for a field which must satisfy a uniqueness constraint

*** ** * ** ***

Namespace
:
    `https://www.google.com/apis/ads/publisher/v202608`

| ## Field ||
|---|---|
| **`ApiError` (inherited)** ||
| ### `fieldPath` | ` xsd:string` The OGNL field path to identify cause of error. |
| ### `fieldPathElements` | ` https://developers.google.com/ad-manager/api/reference/v202608/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. |
| **`UniqueError`** ||