Enum describing possible errors querying shopping product.

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

| Enums ||
|---|---|
| ## `MISSING_AD_GROUP_FILTER` | A filter on the `ad_group` resource name is missing. |
| ## `MISSING_CAMPAIGN_FILTER` | A filter on the `campaign` resource name is missing. |
| ## `UNKNOWN` | The received error code is not known in this version. |
| ## `UNSPECIFIED` | Enum unspecified. |
| ## `UNSUPPORTED_DATE_SEGMENTATION` | Date segmentation is not supported. |