com.vmware.cl.exception.LibraryItemNotFoundException: Catalog Item not found: urn:uuid:########-####-####-####-############This operation is deniedcatalog_item database table.The vApp Template's entries in the VCD database are in an invalid state where they are missing a link to their Catalog.
Database modification is required to resolve the issue. Contact Broadcom Support and note this Article ID (422882) in the problem description. For more information, see Creating and managing Broadcom support request (SR) cases.
For additional information when deleting vApp Templates see the KB article: Error: "Catalog Item not found" when attempting to delete a vApp template in VMware Cloud Director