[ ### ] #### is participating in VDC Groups [###]. Remove the VDC from the VDC Group(s) and try again.
VMware Cloud Director 10.6
VMware Cloud Director 10.5
The error occurs because the VDC you are trying to delete is participating in one or more VDC Groups. You must remove the VDC from these groups before you can proceed with the deletion.
Remove the Organization VDC from the Data Center Group via the Cloud Director UI and retry the deletion of the objects.
For more information see the Cloud Director documentation: Managing Data Center Groups with an NSX Network Provider Type in the VMware Cloud Director Tenant Portal