Enum describing possible errors from KeywordPlanIdeaService.

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

| Enums ||
|---|---|
| ## `INVALID_VALUE` | The input has an invalid value. |
| ## `UNKNOWN` | The received error code is not known in this version. |
| ## `UNSPECIFIED` | Enum unspecified. |
| ## `URL_CRAWL_ERROR` | Error when crawling the input URL. |