AI-generated Key Takeaways
- 
          The page provides a list of services with links to their respective FeatureError.Reason documentation. 
- 
          The CmsMetadataService is highlighted among the listed services. 
- 
          The FeatureError.Reason dependency is detailed with two possible enumeration values: MISSING_FEATURE and UNKNOWN. 
- 
          MISSING_FEATURE indicates a feature is being used that is not enabled on the current network. 
- 
          UNKNOWN signifies 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. |