XSLT Error

Empty filename at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/x86_64-linux/XML/LibXML.pm line 927.
	XML::LibXML::parse_file('XML::LibXML=HASH(0x63b0908)', undef) called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Template/XSLT.pm line 575
	eval {...} called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Template/XSLT.pm line 566
	Chameleon5::Template::XSLT::handle_output('RedRoof::XSLT=HASH(0x2324bfa8)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Middleware/Output.pm line 81
	eval {...} called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Middleware/Output.pm line 71
	Chameleon5::Middleware::Output::call('Chameleon5::Middleware::Output=HASH(0x5359908)', 'HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Component.pm line 50
	Plack::Component::__ANON__('HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Contrib/Middleware/OutputPDF.pm line 22
	Chameleon5::Contrib::Middleware::OutputPDF::call('Chameleon5::Contrib::Middleware::OutputPDF=HASH(0x5359a40)', 'HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Component.pm line 50
	Plack::Component::__ANON__('HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Contrib/Middleware/Decommission.pm line 67
	Chameleon5::Contrib::Middleware::Decommission::call('Chameleon5::Contrib::Middleware::Decommission=HASH(0x52a87a0)', 'HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Component.pm line 50
	Plack::Component::__ANON__('HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Contrib/Middleware/Maintenance.pm line 136
	Chameleon5::Contrib::Middleware::Maintenance::call('Chameleon5::Contrib::Middleware::Maintenance=HASH(0x52a8908)', 'HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Component.pm line 50
	Plack::Component::__ANON__('HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Middleware/Environment.pm line 250
	Chameleon5::Middleware::Environment::call('Chameleon5::Middleware::Environment=HASH(0x52a89b0)', 'HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Component.pm line 50
	Plack::Component::__ANON__('HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Contrib/Middleware/MailService.pm line 35
	Chameleon5::Contrib::Middleware::MailService::call('Chameleon5::Contrib::Middleware::MailService=HASH(0x52a8ba8)', 'HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Component.pm line 50
	Plack::Component::__ANON__('HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Middleware/Queue.pm line 50
	Chameleon5::Middleware::Queue::call('Chameleon5::Middleware::Queue=HASH(0x52a8cb0)', 'HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Component.pm line 50
	Plack::Component::__ANON__('HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Middleware/Rules.pm line 236
	Chameleon5::Middleware::Rules::call('Chameleon5::Middleware::Rules=HASH(0x52a8da0)', 'HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Component.pm line 50
	Plack::Component::__ANON__('HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Middleware/Cache.pm line 53
	Chameleon5::Middleware::Cache::call('Chameleon5::Middleware::Cache=HASH(0x52a8f98)', 'HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Component.pm line 50
	Plack::Component::__ANON__('HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Middleware/Session.pm line 53
	Plack::Middleware::Session::call('Plack::Middleware::Session=HASH(0x52a9370)', 'HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Component.pm line 50
	Plack::Component::__ANON__('HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Middleware/Conditional.pm line 16
	Plack::Middleware::Conditional::call('Plack::Middleware::Conditional=HASH(0x52a9100)', 'HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Component.pm line 50
	Plack::Component::__ANON__('HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Middleware/Logger.pm line 49
	Chameleon5::Middleware::Logger::call('Chameleon5::Middleware::Logger=HASH(0x52a9598)', 'HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Component.pm line 50
	Plack::Component::__ANON__('HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Middleware/StackTrace.pm line 31
	Plack::Middleware::StackTrace::try {...} () called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Try/Tiny.pm line 76
	eval {...} called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Try/Tiny.pm line 72
	Try::Tiny::try('CODE(0x231fd508)', 'Try::Tiny::Catch=REF(0x2318eb28)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Middleware/StackTrace.pm line 35
	Plack::Middleware::StackTrace::call('Plack::Middleware::StackTrace=HASH(0x48d9bf0)', 'HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Component.pm line 50
	Plack::Component::__ANON__('HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Middleware/HealthCheck.pm line 19
	Chameleon5::Middleware::HealthCheck::call('Chameleon5::Middleware::HealthCheck=HASH(0x48d9ce0)', 'HASH(0x22b59b60)') called at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Plack/Component.pm line 50
	Plack::Component::__ANON__('HASH(0x22b59b60)') called at /usr/local/chameleon5/bin/c5.pl line 0
	eval {...} called at /usr/local/chameleon5/bin/c5.pl line 0

Response XML

<?xml version="1.0"?>
<response>
  <form uuid="D38FD002-5BF8-11F1-B1CD-67E0F8248A5F" uri="" key="login" method="post" encoding="&#x2713;">
    <field value="" key="username" attrs="" id="uuid-D3900464-5BF8-11F1-B1CD-67E0F8248A5F" name="username" display="Username" widget="text"/>
    <field display="Password" widget="password" name="password" attrs="" id="uuid-D3904ADC-5BF8-11F1-B1CD-67E0F8248A5F" key="password"/>
    <field widget="submit" display="Login" name="submit" id="uuid-D3909406-5BF8-11F1-B1CD-67E0F8248A5F" attrs="" key="submit" value=""/>
  </form>
</response>