AI-generated Key Takeaways
- 
          CreativeTemplateOperationError describes reasons for errors related to creative templates. 
- 
          Possible reasons for this error include NOT_ALLOWED, NOT_APPLICABLE, and UNKNOWN. 
- 
          NOT_ALLOWED indicates the user lacks permission to modify the creative template. 
- 
          NOT_APPLICABLE signifies the operation is not valid for the current state of the creative template. 
- 
          UNKNOWN is used when the error value is not available in the requested API version. 
The reasons for the target error.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202508
| Enumeration | Description | 
|---|---|
| NOT_ALLOWED | The current user is not allowed to modify this creative template. | 
| NOT_APPLICABLE | The operation is not applicable to the current state. (e.g. Trying to activate an active creative template) | 
| UNKNOWN | The value returned if the actual value is not exposed by the requested API version. |