[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06 UTC."],[],["The document details the `PlacementError.Reason` enumeration within the `PlacementService` of an ad management API. Key error reasons include `INVALID_ENTITY_TYPE`, indicating an incorrect entity type; `SHARED_INVENTORY_ASSIGNED`, prohibiting shared inventory in a placement; and `PLACEMENTS_CANNOT_INCLUDE_INVENTORY_FROM_MULTIPLE_DISTRIBUTOR_NETWORKS` and `PLACEMENTS_CANNOT_INCLUDE_BOTH_LOCAL_AND_SHARED_INVENTORY`, specifying restrictions on mixing inventory types or sources. `UNKNOWN` is a catch-all for unexposed API values. These errors are used in the ContentBundleService.\n"],null,["# enum PlacementError.Reason (v202502)\n\n**Service** \n[ContentBundleService](/ad-manager/api/reference/v202502/ContentBundleService.PlacementError.Reason) **PlacementService** **Dependencies** \n[PlacementError](/ad-manager/api/reference/v202502/PlacementService.PlacementError) \n▼\n**PlacementError.Reason**\n\nPossible reasons for the error.\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202502`\n\n| Enumeration | Description |\n|--------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------|\n| `INVALID_ENTITY_TYPE` | Entity type is something other than inventory or content. |\n| `SHARED_INVENTORY_ASSIGNED` | Shared inventory cannot be assigned to a placement. |\n| `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. |\n| `PLACEMENTS_CANNOT_INCLUDE_BOTH_LOCAL_AND_SHARED_INVENTORY` | Shared inventory and local inventory cannot be in the same placement. |\n| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |"]]