AI-generated Key Takeaways
- 
          The provided content lists various services available within the Ad Manager API, specifically for version v202508. 
- 
          Each listed service includes a link to its reference documentation, highlighting potential ApiVersionError.Reason.
- 
          The ApiVersionError.Reasonenumeration defines reasons for API version errors, including needing to update to a newer version or an unknown reason.
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          The content primarily focuses on the API services and a specific error related to API versions within the v202508 namespace. 
- 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. |