AI-generated Key Takeaways
- 
          NotNullError is a type of ApiError that occurs when a null value is provided for an attribute that cannot be null. 
- 
          The NotNullError includes information about the field path, the data that triggered the error, a simple string representation of the error, and the specific reason for the error as an enumeration. 
- 
          Potential reasons for a NotNullError include specific arguments being null (ARG1_NULL, ARG2_NULL, ARG3_NULL), a general null value (NULL), or an unknown reason (UNKNOWN). 
Caused by supplying a null value for an attribute that cannot be null.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202505
| 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 
 |