AI-generated Key Takeaways
- 
          The page lists numerous Ad Manager API services and their corresponding documentation links for version v202508. 
- 
          ApiVersionError is a listed dependency, and its Reason enumeration indicates whether an operation is not allowed in the requested API version or if the actual value is not exposed. 
- 
          The ApiVersionError.Reason enumeration includes UPDATE_TO_NEWER_VERSIONandUNKNOWN.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202508
| Enumeration | Description | 
|---|---|
| UPDATE_TO_NEWER_VERSION | Indicates that the operation is not allowed in the version the request was made in. | 
| UNKNOWN | The value returned if the actual value is not exposed by the requested API version. |