AI-generated Key Takeaways
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          The EntityLimitReachedError can occur across various Ad Manager services when limits for specific entities like line items, targeting values, or placements are exceeded. 
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          This error inherits from the ApiError class, indicating it is a type of API error with inherited fields such as fieldPath and trigger. 
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          Specific reasons for the EntityLimitReachedError are enumerated, including exceeding limits for custom targeting values, active line items, sites, and user teams, among others. 
- Namespace
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               https://www.google.com/apis/ads/publisher/v202505
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| ApiError(inherited) | |
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| EntityLimitReachedError | |
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 Enumerations 
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