AI-generated Key Takeaways
- 
          The content provides a list of various services available in the Ad Manager API, including services related to ad rules, inventory, reporting, and more. 
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          Each listed service links to its specific API reference documentation for version v202508. 
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          The document also details the ApiVersionError.Reasonenumeration, outlining possible reasons for API version errors.
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          Two specific reasons for an ApiVersionErrorare detailed:UPDATE_TO_NEWER_VERSIONandUNKNOWN.
- Namespace
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               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. |