AI-generated Key Takeaways
- 
          The AdRuleService page provides information about the ApplicationException and its inheritance from ApiException. 
- 
          The ApplicationException serves as the base class for other exceptions within the specified namespace. 
- 
          The only field listed for the ApplicationException is 'message', which is a string representing the error message. 
Base class for exceptions.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202508
| Field | |
|---|---|
| 
                            | 
                            Error message. |