Enum describing possible errors from BenchmarksService.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v26/errors/benchmarks_error.proto)

| Enums ||
|---|---|
| ## `MAX_QUERY_COMPLEXITY_EXCEEDED` | The combination of inputs to generate benchmarks is too complex. To reduce complexity, try selecting a more granular benchmarks source, a smaller date range, or a smaller set of products. |
| ## `NO_METRICS_FOUND` | No metrics were found for the given combination of inputs (vertical or categories supplied, location, date range, and products). Try selecting a different combination of inputs. |
| ## `UNKNOWN` | The received error code is not known in this version. |
| ## `UNSPECIFIED` | Enum unspecified. |