**Service** **LineItemCreativeAssociation...** **Dependencies** [CreativePreviewError](https://developers.google.com/ad-manager/api/reference/v202605/LineItemCreativeAssociationService.CreativePreviewError) ▼ **CreativePreviewError.Reason**

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Namespace
:
    `https://www.google.com/apis/ads/publisher/v202605`

| Enumeration | Description |
|---|---|
| `CANNOT_GENERATE_PREVIEW_URL` | The creative cannot be previewed on this page. |
| `CANNOT_GENERATE_PREVIEW_URL_FOR_NATIVE_CREATIVES` | Preview URLs for native creatives must be retrieved with [LineItemCreativeAssociationService.getPreviewUrlsForNativeStyles](https://developers.google.com/ad-manager/api/reference/v202605/LineItemCreativeAssociationService#getPreviewUrlsForNativeStyles). |
| `HTML_SNIPPET_REQUIRED_FOR_THIRD_PARTY_CREATIVE` | Third party creatives must have an html snippet set in order to obtain a preview URL. |
| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |