AI-generated Key Takeaways
- 
          The document provides a list of services available in the Google Ad Manager API v202508, each linked to its FeatureError.Reasonreference.
- 
          The FeatureError.Reasonenumeration includes two possible values:MISSING_FEATUREandUNKNOWN.
- 
          MISSING_FEATUREindicates the use of a feature not enabled on the current network, whileUNKNOWNsignifies a value not exposed by the requested API version.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202508
| Enumeration | Description | 
|---|---|
| MISSING_FEATURE | A feature is being used that is not enabled on the current network. | 
| UNKNOWN | The value returned if the actual value is not exposed by the requested API version. |