AI-generated Key Takeaways
- 
          The document lists and describes possible errors related to ProductLink operations. 
- 
          Errors include unspecified issues, unknown codes, and invalid operations like attempting to remove a link from a partner account. 
- 
          Specific errors indicate that creating a link is not permitted if a pending or active link already exists. 
Enum describing possible ProductLink errors.
| Enums | |
|---|---|
| 
 | Enum unspecified. | 
| 
 | The received error code is not known in this version. | 
| 
 | The requested operation is invalid. For example, you are not allowed to remove a link from a partner account. | 
| 
 | The creation request is not permitted. | 
| 
 | A link cannot be created because a pending link already exists. | 
| 
 | A link cannot be created because an active link already exists. |