SOAP-error ssl_server_cert_untrusted_issuer

Hi,

the SDK-Version is numbered "iControl SDK 10.0.0"

my BIG-IP Version 10.2.1 build 297.0

!/usr/bin/perl
use SOAP::Lite + trace => qw(method debug);
use SOAP::Lite;
use MIME::Base64;
BEGIN { push (@INC, ".."); }
 use iControlTypeCast;
----------------------------------------------------------------------------
 Arguments
----------------------------------------------------------------------------
my $sProtocol = "https";
my $sHost = 'myip';   changed
my $sPort = 443;
my $sUID = 'myuser';  changed
print('Password: '); 
my $sPWD = 'secret';  changed
----------------------------------------------------------------------------
 Transport Information
----------------------------------------------------------------------------
sub SOAP::Transport::HTTP::Client::get_basic_credentials
{
 return "$sUID" => "$sPWD";
}
$soap = SOAP::Lite
 -> uri('urn:iControl:System/SystemInfo')
 -> proxy( "$sProtocol://$sHost:$sPort/iControl/iControlPortal.cgi",
              proxy => ["https" => 'http://proxy.domain.dom:8080/'] );
eval { $soap->transport->http_request->header
(
 'Authorization' => 'Basic ' . MIME::Base64::encode("$sUID:$sPWD", '')
); };
&getSystemId();
----------------------------------------------------------------------------
 sub getSystemId
----------------------------------------------------------------------------
sub getSystemId()
{
 $soapResponse = $soap->get_system_id();
 if ( $soapResponse->fault )
 {
  print $soapResponse->faultcode, " ", $soapResponse->faultstring, "\n";
 }
 else
 {
  my $SystemId = $soapResponse->result;
  print "System Id: '", $SystemId, "'\n";
 }
}