AI-generated Key Takeaways
- 
          CreativeTemplateError.Reason is an enumeration detailing the reasons for errors related to creative templates in the Google Ad Manager API. 
- 
          Reasons include issues with parsing XML, duplicate or invalid variable unique names, and problems with list variable choices. 
- 
          Errors also cover missing or multiple target platforms, undefined or unused placeholders in the formatter, and missing interstitial macros. 
- 
          An UNKNOWNvalue is returned if the actual error reason is not supported by the requested API version.
The reasons for the target error.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202508
| Enumeration | Description | 
|---|---|
| CANNOT_PARSE_CREATIVE_TEMPLATE | The XML of the creative template definition is malformed and cannot be parsed. | 
| VARIABLE_DUPLICATE_UNIQUE_NAME | A creative template has multiple variables with the same uniqueName. | 
| VARIABLE_INVALID_UNIQUE_NAME | The creative template contains a variable with invalid characters. Valid characters are letters, numbers, spaces, forward slashes, dashes, and underscores. | 
| LIST_CHOICE_DUPLICATE_VALUE | Multiple choices for a CreativeTemplateListStringVariable have the same value. | 
| LIST_CHOICE_NEEDS_DEFAULT | The choices for a CreativeTemplateListStringVariable do not contain the default value. | 
| LIST_CHOICES_EMPTY | There are no choices specified for the list variable. | 
| NO_TARGET_PLATFORMS | No target platform is assigned to a creative template. | 
| MULTIPLE_TARGET_PLATFORMS | More than one target platform is assigned to a single creative template. | 
| UNRECOGNIZED_PLACEHOLDER | The formatter contains a placeholder which is not defined as a variable. | 
| PLACEHOLDERS_NOT_IN_FORMATTER | There are variables defined which are not being used in the formatter. | 
| MISSING_INTERSTITIAL_MACRO | The creative template is interstitial, but the formatter doesn't contain an interstitial macro. | 
| UNKNOWN | The value returned if the actual value is not exposed by the requested API version. |