> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v24** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/AssetGroupAssetErrorEnum.AssetGroupAssetError).

Enum describing possible asset group asset errors.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v24/errors/asset_group_asset_error.proto)

| Enums ||
|---|---|
| ## `AD_CUSTOMIZER_NOT_SUPPORTED` | Ad customizers are not supported in assetgroup's text assets. |
| ## `DUPLICATE_RESOURCE` | Cannot add duplicated asset group asset. |
| ## `EXPANDABLE_TAGS_NOT_ALLOWED_IN_DESCRIPTION` | Expandable tags are not allowed in description assets. |
| ## `HOTEL_PROPERTY_ASSET_NOT_LINKED_TO_CAMPAIGN` | Cannot add a HotelPropertyAsset to an AssetGroup that isn't linked to the parent campaign's hotel_property_asset_set field. |
| ## `UNKNOWN` | The received error code is not known in this version. |
| ## `UNSPECIFIED` | Enum unspecified. |