AI-generated Key Takeaways
- 
          The content lists various Ad Manager API services with links to their StringFormatError documentation. 
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          It specifically details the StringFormatError.Reason enumeration, which provides explanations for target errors. 
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          The StringFormatError.Reason enumeration includes UNKNOWN,ILLEGAL_CHARS, andINVALID_FORMATas possible reasons for errors.
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          The namespace for these services and errors is https://www.google.com/apis/ads/publisher/v202508.
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. |