Running "Get-VMGuestNetworkIn terface -VM vmname" gives error info as "Unable to parse script output"

Hi,

When i run "Get-VMGuestNetworkInterface -VM kumar" command, getting the below mentioned error info message.

Can anyone help in resolving this problem.

PS C:\Program Files\VMware\Infrastructure\vSphere PowerCLI> Get-VMGuestNetworkIn

terface -VM kumar

Get-VMGuestNetworkInterface : 5/17/2013 2:59:20 AM    Get-VMGuestNetworkInterfa

ce        Unable to parse script output.

At line:1 char:28

+ Get-VMGuestNetworkInterface <<<<  -VM kumar

    + CategoryInfo          : InvalidArgument: (:) [Get-VMGuestNetworkInterfac

   e], ViError

    + FullyQualifiedErrorId : Client20_VmHostServiceImpl_GetVmGuestNetworkInte

   rface_UnableToParse,VMware.VimAutomation.ViCore.Cmdlets.Commands.GetVmGues

  tNetworkInterface

Thanks,

Pravin