$ cat test.pl
use strict;
use warnings;

use SOAP::Lite;

print "\$SOAP::Lite::VERSION: $SOAP::Lite::VERSION\n";

my $writer = SOAP::Serializer->new();
my $fault = SOAP::Fault->new(faultcode => "Server");
my $content = $writer->envelope(fault => $fault);

print $content, "\n";

eval {
    SOAP::Deserializer->deserialize($content);
};

if ($@) {
    print "Deserialize failed: $@";
}

$ perl test.pl
$SOAP::Lite::VERSION: 1.11
Use of uninitialized value in join or string at /home/vagrant/perl5/perlbrew/perls/perl-5.18.2-fPIC/lib/site_perl/5.18.2/SOAP/Lite.pm line 520.
Use of uninitialized value in join or string at /home/vagrant/perl5/perlbrew/perls/perl-5.18.2-fPIC/lib/site_perl/5.18.2/SOAP/Lite.pm line 520.
Use of uninitialized value in join or string at /home/vagrant/perl5/perlbrew/perls/perl-5.18.2-fPIC/lib/site_perl/5.18.2/SOAP/Lite.pm line 520.
Argument "Server: " isn't numeric in sprintf at /home/vagrant/perl5/perlbrew/perls/perl-5.18.2-fPIC/lib/site_perl/5.18.2/SOAP/Lite.pm line 1033.
Use of uninitialized value $name in substitution (s///) at /home/vagrant/perl5/perlbrew/perls/perl-5.18.2-fPIC/lib/site_perl/5.18.2/SOAP/Lite.pm line 1100.
Use of uninitialized value $name in exists at /home/vagrant/perl5/perlbrew/perls/perl-5.18.2-fPIC/lib/site_perl/5.18.2/SOAP/Lite.pm line 1101.
Use of uninitialized value $name in hash element at /home/vagrant/perl5/perlbrew/perls/perl-5.18.2-fPIC/lib/site_perl/5.18.2/SOAP/Lite.pm line 1101.
Use of uninitialized value $name in hash element at /home/vagrant/perl5/perlbrew/perls/perl-5.18.2-fPIC/lib/site_perl/5.18.2/SOAP/Lite.pm line 1105.
Use of uninitialized value $name in hash element at /home/vagrant/perl5/perlbrew/perls/perl-5.18.2-fPIC/lib/site_perl/5.18.2/SOAP/Lite.pm line 1105.
Use of uninitialized value in join or string at /home/vagrant/perl5/perlbrew/perls/perl-5.18.2-fPIC/lib/site_perl/5.18.2/SOAP/Lite.pm line 520.
Argument "Server: " isn't numeric in sprintf at /home/vagrant/perl5/perlbrew/perls/perl-5.18.2-fPIC/lib/site_perl/5.18.2/SOAP/Lite.pm line 1033.
<?xml version="1.0" encoding="UTF-8"?><soap:Envelope soap:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns:namesp1="http://namespaces.soaplite.com/perl" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><soap:Body><soap:Fault><faultcode xsi:type="namesp1"><_faultcode xsi:type="xsd:string">Server</_faultcode></faultcode><faultstring xsi:nil="true" /></soap:Fault></soap:Body></soap:Envelope>
Deserialize failed: Unspecified namespace for type 'namesp1'