VMware Cloud Director 10.6.x
There are existing VMware Cloud Director Availability RTVMs (replication tracking virtual machines) records associated with the org VDC, which are not visible in the VMware Cloud Director interface.
If the replications no longer exist and the production workloads are no longer under management by VMware Cloud Director, remove the RTVM vApps manually, as detailed in the following articles:
For more information regarding the RTVMs, please refer to the document below: