AI-generated Key Takeaways
- 
          
The page provides a list of various Ad Manager API services, including links to their documentation.
 - 
          
It specifically details the
StringFormatError.Reasonenumeration and its possible values:UNKNOWN,ILLEGAL_CHARS, andINVALID_FORMAT. - 
          
The
StringFormatError.Reasonenumeration indicates the specific reason why a string format error occurred. 
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. |