AI-generated Key Takeaways
- 
          This document describes potential errors when linking asset sets. 
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          Errors include incompatibility between advertising channels and asset set types or campaign types. 
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          Issues such as duplicate feed links or duplicate asset set links are also covered. 
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          An error occurs if you attempt to remove the only asset set link from a campaign. 
Enum describing possible asset set link errors.
| Enums | |
|---|---|
| 
 | Enum unspecified. | 
| 
 | The received error code is not known in this version. | 
| 
 | Advertising channel type cannot be attached to the asset set due to channel-based restrictions. | 
| 
 | For this asset set type, only one campaign to feed linkage is allowed. | 
| 
 | The asset set type and campaign type are incompatible. | 
| 
 | Cannot link duplicate asset sets to the same campaign. | 
| 
 | Cannot remove the asset set link. If a campaign is linked with only one asset set and you attempt to unlink them, this error will be triggered. |