AI-generated Key Takeaways
- 
          The document provides a list of possible errors that can occur when linking assets. 
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          Errors relate to incompatible field and asset types, campaign types, and advertising channels. 
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          Issues with media, such as image dimensions, media bundle size, and YouTube video properties, can cause errors. 
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          Constraints on available assets, including pinning and fallback availability, can lead to errors. 
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          Problems with automatically created links, customer verification, and unsupported call to actions are also listed as potential errors. 
Enum describing possible asset link errors.
| Enums | |
|---|---|
| 
 | Enum unspecified. | 
| 
 | The received error code is not known in this version. | 
| 
 | Pinning is not supported for the given asset link field. | 
| 
 | The given field type is not supported to be added directly through asset links. | 
| 
 | The given asset's type and the specified field type are incompatible. | 
| 
 | The specified field type is incompatible with the given campaign type. | 
| 
 | The campaign advertising channel type cannot be associated with the given asset due to channel-based restrictions on the asset's fields. | 
| 
 | The image asset provided is not within the dimension constraints specified for the submitted asset field. | 
| 
 | The pinned field is not valid for the submitted asset field. | 
| 
 | The media bundle asset provided is too large for the submitted asset field. | 
| 
 | Not enough assets are available for use with other fields since other assets are pinned to specific fields. | 
| 
 | Not enough assets with fallback are available. When validating the minimum number of assets, assets without fallback (for example, assets that contain location tag without default value "{LOCATION(City)}") will not be counted. | 
| 
 | This is a combination of the NOT_ENOUGH_AVAILABLE_ASSET_LINKS_FOR_VALID_COMBINATION and NOT_ENOUGH_AVAILABLE_ASSET_LINKS_WITH_FALLBACK errors. Not enough assets with fallback are available since some assets are pinned. | 
| 
 | The YouTube video referenced in the provided asset has been removed. | 
| 
 | The YouTube video referenced in the provided asset is too long for the field submitted. | 
| 
 | The YouTube video referenced in the provided asset is too short for the field submitted. | 
| 
 | The specified field type is excluded for given campaign or ad group. | 
| 
 | The status is invalid for the operation specified. | 
| 
 | The YouTube video referenced in the provided asset has unknown duration. This might be the case for a livestream video or a video being currently uploaded to YouTube. In both cases, the video duration should eventually get resolved. | 
| 
 | User cannot create automatically created links. | 
| 
 | Advertiser links cannot link to automatically created asset. | 
| 
 | Automatically created links cannot be changed into advertiser links or the reverse. | 
| 
 | Lead Form asset with Location answer type can't be linked to the Customer/Campaign because there are no Location assets. | 
| 
 | Customer is not verified. | 
| 
 | Call to action value is not supported. | 
| 
 | For Performance Max campaigns where brand_guidelines_enabled is false, business name and logo assets must be linked as AssetGroupAssets. | 
| 
 | For Performance Max campaigns where brand_guidelines_enabled is true, business name and logo assets must be linked as CampaignAssets. |