Need help: Using SDK perl for creating a new Datacenter

Hi All,

     I'm very new to using Vmware SDK for Perl and I'm stuck with some very basic issues. I'm trying to create a new Datacenter using the below code but its failing and I am not able to debug. Can anyone point out what is the error I'm doing?

#### begin code #####

use strict;

use Getopt::Long;

#VMware Connection libs

use VMware::VIRuntime;

use VMware::VILib;

my $vcname="alpha-vc-10";

my $service_url = "https://".$vcname."/sdk/vimService";

my $vim = Vim->new(service_url => $service_url);

$vim->login(user_name => "username", password => "my_password");

my $view = $vim->find_entity_view(view_type=>'Folder');

my $result = $view->name->CreateDatacenter("New_DataCenter");

# Disconnect from the server

Util::disconnect();

#### end code ####

My error is: Failed executing command. Exception: Can't load class 'Datacenters' at C:\Program Files (x86)\VMware\VMware vSphere CLI\Perl\lib/VMware/VIMRuntime.pm line 52.

I'm using SDK reference manual : https://www.vmware.com/support/developer/vc-sdk/visdk25pubs/ReferenceGuide/index-methods.html

Thanks.