AI-generated Key Takeaways
- 
          The content describes various services available in the Ad Manager API, including AdRuleService, AdjustmentService, and others, each with a link to their specific AuthenticationError reference. 
- 
          It details the inheritance of the AuthenticationError from ApiError and lists other related error types like ApiVersionError, CollectionSizeError, and CommonError. 
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          An AuthenticationError signifies an exception during the authentication process for a service, with its specific namespace being https://www.google.com/apis/ads/publisher/v202502.
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          The fields associated with AuthenticationError, including inherited ApiError fields like fieldPath,trigger, anderrorString, are explained.
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          The document enumerates the possible reasonvalues for an AuthenticationError, such asAMBIGUOUS_SOAP_REQUEST_HEADER,INVALID_EMAIL, andAUTHENTICATION_FAILED.
An error for an exception that occurred when authenticating.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202502
| Field | |
|---|---|
| ApiError(inherited) | |
| 
                            | 
                            The OGNL field path to identify cause of error. | 
| 
                            | A parsed copy of the field path. For example, the field path "operations[1].operand" corresponds to this list: {FieldPathElement(field = "operations", index = 1), FieldPathElement(field = "operand", index = null)}. | 
| 
                            | 
                            The data that caused the error. | 
| 
                            | 
                            A simple string representation of the error and reason. | 
| AuthenticationError | |
| 
                            | 
 Enumerations 
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