AI-generated Key Takeaways
- 
          The content lists various services and their associated InternalApiError.Reason within the context of a specific API version (v202508). 
- 
          InternalApiError.Reason provides single reasons for internal API errors, defined by an enumeration within the specified namespace. 
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          The enumeration lists five possible reasons for internal API errors: UNEXPECTED_INTERNAL_API_ERROR, TRANSIENT_ERROR, UNKNOWN, DOWNTIME, and ERROR_GENERATING_RESPONSE, each with a description. 
The single reason for the internal API error.
- Namespace
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               https://www.google.com/apis/ads/publisher/v202508
| Enumeration | Description | 
|---|---|
| UNEXPECTED_INTERNAL_API_ERROR | API encountered an unexpected internal error. | 
| TRANSIENT_ERROR | A temporary error occurred during the request. Please retry. | 
| UNKNOWN | The cause of the error is not known or only defined in newer versions. | 
| DOWNTIME | The API is currently unavailable for a planned downtime. | 
| ERROR_GENERATING_RESPONSE | Mutate succeeded but server was unable to build response. Client should not retry mutate. |