AI-generated Key Takeaways
- 
          NotNullErroris an API error that occurs when a null value is provided for an attribute that is required to be non-null.
- 
          This error is inherited from ApiErrorand includes fields likefieldPath,fieldPathElements,trigger, anderrorStringfor identifying the cause.
- 
          The NotNullErrorspecifically has areasonfield, an enum indicating why the null value caused the error, such asARG1_NULL,ARG2_NULL,ARG3_NULL,NULL, orUNKNOWN.
Caused by supplying a null value for an attribute that cannot be null.
- 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. | 
| NotNullError | |
| 
                            | The error reason represented by an enum. Enumerations 
 |