AI-generated Key Takeaways
- 
          The content lists numerous Ad Manager API services for the v202508 version. 
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          These services include functionalities for managing various ad-related entities such as ad rules, inventory, creatives, and reporting. 
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          A specific error reason, StringFormatError.Reason, is detailed, outlining causes like unknown errors, illegal characters, and invalid string formats.
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          The StringFormatError.Reasonenumeration belongs to theUserServiceand is part of the specified API namespace.
The reasons for the target error.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202508
| Enumeration | Description | 
|---|---|
| UNKNOWN | |
| ILLEGAL_CHARS | The input string value contains disallowed characters. | 
| INVALID_FORMAT | The input string value is invalid for the associated field. |