AI-generated Key Takeaways
- 
          
PlacementError.Reason lists possible reasons for errors related to placements in the Publisher API.
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Errors include issues with invalid entity types, assigning shared inventory, and combining inventory from different sources.
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The UNKNOWN reason is returned for values not exposed by the API version.
 
                  Service
               
               
                  ContentBundleService
                  PlacementService
               
            
                  Dependencies
               
               
                  PlacementError
                  
            ▼
                  PlacementError.Reason
               Possible reasons for the error.
- Namespace
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https://www.google.com/apis/ads/publisher/v202505 
| Enumeration | Description | 
|---|---|
                        INVALID_ENTITY_TYPE
                      | 
                     Entity type is something other than inventory or content. | 
                        SHARED_INVENTORY_ASSIGNED
                      | 
                     Shared inventory cannot be assigned to a placement. | 
                        PLACEMENTS_CANNOT_INCLUDE_INVENTORY_FROM_MULTIPLE_DISTRIBUTOR_NETWORKS
                      | 
                     Shared inventory from one distributor network cannot be in the same placement with inventory from another distributor. | 
                        PLACEMENTS_CANNOT_INCLUDE_BOTH_LOCAL_AND_SHARED_INVENTORY
                      | 
                     Shared inventory and local inventory cannot be in the same placement. | 
                        UNKNOWN
                      | 
                     The value returned if the actual value is not exposed by the requested API version. |