# type AuthenticationError (v202508)

**Service** [AdRuleService](https://developers.google.com/ad-manager/api/reference/v202508/AdRuleService.AuthenticationError) [AdjustmentService](https://developers.google.com/ad-manager/api/reference/v202508/AdjustmentService.AuthenticationError) [AdsTxtService](https://developers.google.com/ad-manager/api/reference/v202508/AdsTxtService.AuthenticationError) [AudienceSegmentService](https://developers.google.com/ad-manager/api/reference/v202508/AudienceSegmentService.AuthenticationError) [CdnConfigurationService](https://developers.google.com/ad-manager/api/reference/v202508/CdnConfigurationService.AuthenticationError) [CmsMetadataService](https://developers.google.com/ad-manager/api/reference/v202508/CmsMetadataService.AuthenticationError) [CompanyService](https://developers.google.com/ad-manager/api/reference/v202508/CompanyService.AuthenticationError) [ContactService](https://developers.google.com/ad-manager/api/reference/v202508/ContactService.AuthenticationError) [ContentBundleService](https://developers.google.com/ad-manager/api/reference/v202508/ContentBundleService.AuthenticationError) [ContentService](https://developers.google.com/ad-manager/api/reference/v202508/ContentService.AuthenticationError) [CreativeService](https://developers.google.com/ad-manager/api/reference/v202508/CreativeService.AuthenticationError) [CreativeSetService](https://developers.google.com/ad-manager/api/reference/v202508/CreativeSetService.AuthenticationError) [CreativeTemplateService](https://developers.google.com/ad-manager/api/reference/v202508/CreativeTemplateService.AuthenticationError) [CreativeWrapperService](https://developers.google.com/ad-manager/api/reference/v202508/CreativeWrapperService.AuthenticationError) [CustomFieldService](https://developers.google.com/ad-manager/api/reference/v202508/CustomFieldService.AuthenticationError) [CustomTargetingService](https://developers.google.com/ad-manager/api/reference/v202508/CustomTargetingService.AuthenticationError) [DaiAuthenticationKeyService](https://developers.google.com/ad-manager/api/reference/v202508/DaiAuthenticationKeyService.AuthenticationError) [DaiEncodingProfileService](https://developers.google.com/ad-manager/api/reference/v202508/DaiEncodingProfileService.AuthenticationError) [ForecastService](https://developers.google.com/ad-manager/api/reference/v202508/ForecastService.AuthenticationError) [InventoryService](https://developers.google.com/ad-manager/api/reference/v202508/InventoryService.AuthenticationError) [LabelService](https://developers.google.com/ad-manager/api/reference/v202508/LabelService.AuthenticationError) [LineItemCreativeAssociationService](https://developers.google.com/ad-manager/api/reference/v202508/LineItemCreativeAssociationService.AuthenticationError) [LineItemService](https://developers.google.com/ad-manager/api/reference/v202508/LineItemService.AuthenticationError) [LineItemTemplateService](https://developers.google.com/ad-manager/api/reference/v202508/LineItemTemplateService.AuthenticationError) [LiveStreamEventService](https://developers.google.com/ad-manager/api/reference/v202508/LiveStreamEventService.AuthenticationError) [MobileApplicationService](https://developers.google.com/ad-manager/api/reference/v202508/MobileApplicationService.AuthenticationError) [NativeStyleService](https://developers.google.com/ad-manager/api/reference/v202508/NativeStyleService.AuthenticationError) [NetworkService](https://developers.google.com/ad-manager/api/reference/v202508/NetworkService.AuthenticationError) [OrderService](https://developers.google.com/ad-manager/api/reference/v202508/OrderService.AuthenticationError) [PlacementService](https://developers.google.com/ad-manager/api/reference/v202508/PlacementService.AuthenticationError) [ProposalLineItemService](https://developers.google.com/ad-manager/api/reference/v202508/ProposalLineItemService.AuthenticationError) [ProposalService](https://developers.google.com/ad-manager/api/reference/v202508/ProposalService.AuthenticationError) [PublisherQueryLanguageService](https://developers.google.com/ad-manager/api/reference/v202508/PublisherQueryLanguageService.AuthenticationError) [ReportService](https://developers.google.com/ad-manager/api/reference/v202508/ReportService.AuthenticationError) [SegmentPopulationService](https://developers.google.com/ad-manager/api/reference/v202508/SegmentPopulationService.AuthenticationError) **SiteService** [StreamActivityMonitorService](https://developers.google.com/ad-manager/api/reference/v202508/StreamActivityMonitorService.AuthenticationError) [SuggestedAdUnitService](https://developers.google.com/ad-manager/api/reference/v202508/SuggestedAdUnitService.AuthenticationError) [TargetingPresetService](https://developers.google.com/ad-manager/api/reference/v202508/TargetingPresetService.AuthenticationError) [TeamService](https://developers.google.com/ad-manager/api/reference/v202508/TeamService.AuthenticationError) [UserService](https://developers.google.com/ad-manager/api/reference/v202508/UserService.AuthenticationError) [UserTeamAssociationService](https://developers.google.com/ad-manager/api/reference/v202508/UserTeamAssociationService.AuthenticationError) [YieldGroupService](https://developers.google.com/ad-manager/api/reference/v202508/YieldGroupService.AuthenticationError) **Inheritance** [ApiError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.ApiError) ▼ [AdSenseAccountError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.AdSenseAccountError) [ApiVersionError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.ApiVersionError) **AuthenticationError** [CollectionSizeError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.CollectionSizeError) [CommonError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.CommonError) [EntityLimitReachedError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.EntityLimitReachedError) [FeatureError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.FeatureError) [InternalApiError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.InternalApiError) [NotNullError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.NotNullError) [NullError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.NullError) [ParseError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.ParseError) [PermissionError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.PermissionError) [PublisherQueryLanguageConte...](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.PublisherQueryLanguageContextError "PublisherQueryLanguageContextError") [PublisherQueryLanguageSynta...](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.PublisherQueryLanguageSyntaxError "PublisherQueryLanguageSyntaxError") [QuotaError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.QuotaError) [RequiredCollectionError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.RequiredCollectionError) [RequiredError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.RequiredError) [ServerError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.ServerError) [SiteError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.SiteError) [StatementError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.StatementError) [StringFormatError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.StringFormatError) [StringLengthError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.StringLengthError) [UrlError](https://developers.google.com/ad-manager/api/reference/v202508/SiteService.UrlError)

*** ** * ** ***

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

| ## Field ||
|---|---|
| **`ApiError` (inherited)** ||
| ### `fieldPath` | ` xsd:string` <br /> |
| ### `fieldPathElements` | ` https://developers.google.com/ad-manager/api/reference/v202508/SiteService.FieldPathElement[]` <br /> |
| ### `trigger` | ` xsd:string` <br /> |
| ### `errorString` | ` xsd:string` <br /> |
| **`AuthenticationError`** ||
| ### `reason` | ` https://developers.google.com/ad-manager/api/reference/v202508/SiteService.AuthenticationError.Reason ` *** ** * ** *** **Enumerations** `AMBIGUOUS_SOAP_REQUEST_HEADER` : `INVALID_EMAIL` : `AUTHENTICATION_FAILED` : `INVALID_OAUTH_SIGNATURE` : `INVALID_SERVICE` : `MISSING_SOAP_REQUEST_HEADER` : `MISSING_AUTHENTICATION_HTTP_HEADER` : `MISSING_AUTHENTICATION` : `NETWORK_API_ACCESS_DISABLED` : `NO_NETWORKS_TO_ACCESS` : `NETWORK_NOT_FOUND` : `NETWORK_CODE_REQUIRED` : `CONNECTION_ERROR` : `GOOGLE_ACCOUNT_ALREADY_ASSOCIATED_WITH_NETWORK` : `UNDER_INVESTIGATION` : `UNKNOWN` : <br /> |