**Service** [AdjustmentService](https://developers.google.com/ad-manager/api/reference/v202605/AdjustmentService.TechnologyTargetingError.Reason) **ForecastService** [LineItemService](https://developers.google.com/ad-manager/api/reference/v202605/LineItemService.TechnologyTargetingError.Reason) [LineItemTemplateService](https://developers.google.com/ad-manager/api/reference/v202605/LineItemTemplateService.TechnologyTargetingError.Reason) [OrderService](https://developers.google.com/ad-manager/api/reference/v202605/OrderService.TechnologyTargetingError.Reason) [ProposalLineItemService](https://developers.google.com/ad-manager/api/reference/v202605/ProposalLineItemService.TechnologyTargetingError.Reason) [TargetingPresetService](https://developers.google.com/ad-manager/api/reference/v202605/TargetingPresetService.TechnologyTargetingError.Reason) [YieldGroupService](https://developers.google.com/ad-manager/api/reference/v202605/YieldGroupService.TechnologyTargetingError.Reason) **Dependencies** [TechnologyTargetingError](https://developers.google.com/ad-manager/api/reference/v202605/ForecastService.TechnologyTargetingError) ▼ **TechnologyTargetingError.Re...**

The reasons for the target error.

*** ** * ** ***

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

| Enumeration | Description |
|---|---|
| `MOBILE_LINE_ITEM_CONTAINS_WEB_TECH_CRITERIA` | Mobile line item cannot target web-only targeting criteria. |
| `WEB_LINE_ITEM_CONTAINS_MOBILE_TECH_CRITERIA` | Web line item cannot target mobile-only targeting criteria. |
| `MOBILE_CARRIER_TARGETING_FEATURE_NOT_ENABLED` | The mobile carrier targeting feature is not enabled. |
| `DEVICE_CAPABILITY_TARGETING_FEATURE_NOT_ENABLED` | The device capability targeting feature is not enabled. |
| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |