AI-generated Key Takeaways
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ApiException is an exception class used to hold a list of service errors.
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It inherits from ApplicationException, which includes a
messagefield for the error message. - 
          
ApiException itself contains an
errorsfield, which is a list of various specific API error types. - 
          
The
errorsfield can contain a wide range of errors, including those related to ad breaks, API versioning, authentication, collection size, common issues, entity limits, features, internal API problems, invalid URLs, live stream events, null/not null values, parsing, permissions, publisher query language, quotas, ranges, required fields, server issues, statements, string formatting/length, uniqueness, and video ad tags. 
Exception class for holding a list of service errors.
- Namespace
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https://www.google.com/apis/ads/publisher/v202505