AI-generated Key Takeaways
- 
          RequiredSizeError is a type of ApiError used for validating Size in Google Ad Manager API. 
- 
          This error can occur if a required size is missing or if the provided sizes are not a subset of allowed sizes. 
- 
          It includes fields like fieldPath, trigger, and errorString, inherited from ApiError, to help identify the cause of the error. 
- 
          The reason for the RequiredSizeError is provided through an enumeration that can be REQUIRED, NOT_ALLOWED, or UNKNOWN. 
A list of all errors to be used for validating Size.
- 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. | 
| RequiredSizeError | |
| 
                            | 
 Enumerations 
 |