AI-generated Key Takeaways
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          The content lists various Ad Manager API services, including AdRuleService, AdsTxtService, and many others related to advertising management. 
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          The content also details different types of API errors, with CommonError being highlighted. 
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          Information about the Namespace for the API is provided as https://www.google.com/apis/ads/publisher/v202502.
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          Fields like fieldPath,fieldPathElements,trigger, anderrorStringare listed underApiError, whichCommonErrorinherits from.
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          The CommonErroritself has areasonfield which is an enumeration of possible error reasons such asNOT_FOUNDandALREADY_EXISTS.
- Namespace
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               https://www.google.com/apis/ads/publisher/v202502
| Field | |
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| ApiError(inherited) | |
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| CommonError | |
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 Enumerations 
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