# InventoryShipmentAddItemsUserErrorCode - admin - ENUM Version: unstable ## Description Possible error codes that can be returned by `InventoryShipmentAddItemsUserError`. ### Access Scopes ## Enum values * [DUPLICATE_ITEM](/docs/api/admin/unstable/enums/DUPLICATE_ITEM) * [INVALID_QUANTITY](/docs/api/admin/unstable/enums/INVALID_QUANTITY) * [INVALID_SHIPMENT_STATUS](/docs/api/admin/unstable/enums/INVALID_SHIPMENT_STATUS) * [ITEM_NOT_FOUND](/docs/api/admin/unstable/enums/ITEM_NOT_FOUND) * [SHIPMENT_NOT_FOUND](/docs/api/admin/unstable/enums/SHIPMENT_NOT_FOUND) * [UNTRACKED_ITEM](/docs/api/admin/unstable/enums/UNTRACKED_ITEM) ## Fields with this enum * [InventoryShipmentAddItemsUserError.code](/docs/api/admin/unstable/objects/InventoryShipmentAddItemsUserError) ## Examples