# type NullError (v202505)

**Service** [AdjustmentService](https://developers.google.com/ad-manager/api/reference/v202505/AdjustmentService.NullError) [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** [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/SiteService.ApiError) ▼ [AdSenseAccountError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.AdSenseAccountError) [ApiVersionError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.ApiVersionError) [AuthenticationError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.AuthenticationError) [CollectionSizeError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.CollectionSizeError) [CommonError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.CommonError) [EntityLimitReachedError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.EntityLimitReachedError) [FeatureError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.FeatureError) [InternalApiError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.InternalApiError) [NotNullError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.NotNullError) **NullError** [ParseError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.ParseError) [PermissionError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.PermissionError) [PublisherQueryLanguageConte...](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.PublisherQueryLanguageContextError "PublisherQueryLanguageContextError") [PublisherQueryLanguageSynta...](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.PublisherQueryLanguageSyntaxError "PublisherQueryLanguageSyntaxError") [QuotaError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.QuotaError) [RequiredCollectionError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.RequiredCollectionError) [RequiredError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.RequiredError) [ServerError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.ServerError) [SiteError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.SiteError) [StatementError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.StatementError) [StringFormatError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.StringFormatError) [StringLengthError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.StringLengthError) [UrlError](https://developers.google.com/ad-manager/api/reference/v202505/SiteService.UrlError)

*** ** * ** ***

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

| ## Field ||
|---|---|
| **`ApiError` (inherited)** ||
| ### `fieldPath` | ` xsd:string` <br /> |
| ### `fieldPathElements` | ` https://developers.google.com/ad-manager/api/reference/v202505/SiteService.FieldPathElement[]` <br /> |
| ### `trigger` | ` xsd:string` <br /> |
| ### `errorString` | ` xsd:string` <br /> |
| **`NullError`** ||
| ### `reason` | ` https://developers.google.com/ad-manager/api/reference/v202505/SiteService.NullError.Reason ` *** ** * ** *** **Enumerations** `NOT_NULL` : `UNKNOWN` : <br /> |