AI-generated Key Takeaways
- 
          The content lists various Ad Manager API services and error types. 
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          It provides links to detailed documentation for each listed service and error. 
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          The RequiredCollectionErrorhas areasonfield with several possible enumeration values likeREQUIRED,TOO_LARGE, andTOO_SMALL.
- Namespace
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               https://www.google.com/apis/ads/publisher/v202502
| Field | |
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| ApiError(inherited) | |
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| RequiredCollectionError | |
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 Enumerations 
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