In C:\ProgramData\VMware\VMware VirtualCenter\Logs\vpxd.log file, you see entries similar to:
YYYY-MM-DDT<time> [00340 error 'VmProv' opID=########-########-##-##-##-##] [Workflow] Get exception while executing action vpx.vmprov.CreateDestinationVm: vim.fault.InvalidDeviceBacking</time>
--> backtrace[00] rip 000000018018cd7a
--> backtrace[01] rip 0000000180106c48
--> backtrace[02] rip 000000018010803e
--> backtrace[03] rip 00000001800907f8
--> name = "VMName-ovf",
--> vmPathName = "ds:///vmfs/volumes/########-####-########2bd9/VM-2008R2-ovf/VM-Name-ovf.vmx",
--> fileName = "ds:///vmfs/volumes/########-####-########2bd9/VM-2008R2-ovf/VM-Name-ovf.vmdk",
YYYY-MM-DDT<time> [00340 info 'Default' opID=########-########-##-##-##-##] [VpxLRO] -- ERROR task-internal-147406 -- -- VmprovWorkflow: vim.fault.InvalidDeviceBacking:</time>
--> Result:
--> (vim.fault.InvalidDeviceBacking) {
--> dynamicType = <unset>,
--> faultCause = (vmodl.MethodFault) null,
--> property = "virtualDevice.backing",
--> deviceIndex = 9,
--> msg = "Incompatible device backing specified for device '9'.",
Note: The preceding log excerpts are only examples. Date, time, and environmental variables may vary depending on your environment.