AI-generated Key Takeaways
- 
          AuthenticationError represents an exception that occurs during the authentication process for various services listed. 
- 
          This error type inherits from ApiError and includes fields such as fieldPath,fieldPathElements,trigger, anderrorString.
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          AuthenticationError has a specific reasonfield which indicates the cause of the authentication failure, drawing from a set of defined enumeration values.
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          Possible reasons for an AuthenticationError include invalid login, failed authentication, invalid OAuth signature, missing authentication headers, and network access issues. 
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          The reasonfield can also returnUNKNOWNif the actual error value is not supported by the requested API version.
An error for an exception that occurred when authenticating.
- Namespace
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               https://www.google.com/apis/ads/publisher/v202411
| 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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