AI-generated Key Takeaways
- 
          The page provides a comprehensive list of various services available in the Ad Manager API, including AdRuleService, AdjustmentService, and many others. 
- 
          Each service links to a reference page related to the CollectionSizeError.Reasonfor that specific service.
- 
          The CollectionSizeError.Reasondependency is detailed, explaining that this error can occur if a collection is too large or for an unknown reason.
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          The available reasons for the CollectionSizeErrorare listed asTOO_LARGEandUNKNOWN, with a description for theUNKNOWNreason.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202508
| Enumeration | Description | 
|---|---|
| TOO_LARGE | |
| UNKNOWN | The value returned if the actual value is not exposed by the requested API version. |