**Service** **AdjustmentService** **Inheritance** [ApiError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.ApiError) ▼ [ApiVersionError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.ApiVersionError) [AuthenticationError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.AuthenticationError) [CollectionSizeError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.CollectionSizeError) [CommonError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.CommonError) [CustomTargetingError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.CustomTargetingError) [DateError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.DateError) [DateTimeRangeTargetingError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.DateTimeRangeTargetingError) [DayPartTargetingError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.DayPartTargetingError) [EntityLimitReachedError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.EntityLimitReachedError) [FeatureError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.FeatureError) [ForecastAdjustmentError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.ForecastAdjustmentError) [ForecastError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.ForecastError) [GenericTargetingError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.GenericTargetingError) [GeoTargetingError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.GeoTargetingError) [InternalApiError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.InternalApiError) [InvalidUrlError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.InvalidUrlError) [InventoryTargetingError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.InventoryTargetingError) [InventoryUnitError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.InventoryUnitError) [InventoryUnitSizesError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.InventoryUnitSizesError) [NotNullError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.NotNullError) [NullError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.NullError) [ParseError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.ParseError) [PermissionError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.PermissionError) [PublisherQueryLanguageConte...](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.PublisherQueryLanguageContextError "PublisherQueryLanguageContextError") [PublisherQueryLanguageSynta...](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.PublisherQueryLanguageSyntaxError "PublisherQueryLanguageSyntaxError") [QuotaError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.QuotaError) [RequiredCollectionError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.RequiredCollectionError) [RequiredError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.RequiredError) [ServerError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.ServerError) [StatementError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.StatementError) [StringFormatError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.StringFormatError) [StringLengthError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.StringLengthError) [TechnologyTargetingError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.TechnologyTargetingError) **TrafficForecastSegmentError** [TypeError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.TypeError) [UniqueError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.UniqueError) [UserDomainTargetingError](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.UserDomainTargetingError)

Lists all errors associated with traffic forecast segments.

*** ** * ** ***

Namespace
:
    `https://www.google.com/apis/ads/publisher/v202605`

| ## Field ||
|---|---|
| **`ApiError` (inherited)** ||
| ### `fieldPath` | ` xsd:string` The OGNL field path to identify cause of error. |
| ### `fieldPathElements` | ` https://developers.google.com/ad-manager/api/reference/v202605/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. |
| **`TrafficForecastSegmentError`** ||
| ### `reason` | ` https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.TrafficForecastSegmentError.Reason ` The error reason represented by an enum. *** ** * ** *** **Enumerations** `CANNOT_UPDATE_TARGETING_AFTER_CREATION` :   Segment targeting cannot be changed after segment creation. `TARGETING_NOT_UNIQUE` :   The targeting expression that defines the segment is not unique within the given network's segments. The ID of the colliding segment will be provided in the [ApiError.trigger](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.ApiError#trigger). `UNKNOWN` :   The value returned if the actual value is not exposed by the requested API version. <br /> |