AI-generated Key Takeaways
- 
          The page describes the AuthenticationError, which is an error for an exception that occurred during authentication. 
- 
          This error is inherited from ApiError and includes fields like fieldPath, fieldPathElements, trigger, and errorString. 
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          The AuthenticationError itself has a reason field which is an enumeration describing the specific cause of the authentication failure, such as invalid login, missing authentication, or network issues. 
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          The namespace for this service is https://www.google.com/apis/ads/publisher/v202508. 
An error for an exception that occurred when authenticating.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202508
| 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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