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(0x706e268)', 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(0x1c98a930)') 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(0x5f83c78)', 'HASH(0x1c5875c0)') 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(0x1c5875c0)') 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(0x5f83db0)', 'HASH(0x1c5875c0)') 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(0x1c5875c0)') 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(0x5ed76a0)', 'HASH(0x1c5875c0)') 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(0x1c5875c0)') 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(0x5ed7808)', 'HASH(0x1c5875c0)') 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(0x1c5875c0)') 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(0x5ed78b0)', 'HASH(0x1c5875c0)') 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(0x1c5875c0)') 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(0x5ed7aa8)', 'HASH(0x1c5875c0)') 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(0x1c5875c0)') 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(0x5ed7bb0)', 'HASH(0x1c5875c0)') 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(0x1c5875c0)') 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(0x5ed7ca0)', 'HASH(0x1c5875c0)') 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(0x1c5875c0)') 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(0x5ed7e98)', 'HASH(0x1c5875c0)') 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(0x1c5875c0)') 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(0x5ed8270)', 'HASH(0x1c5875c0)') 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(0x1c5875c0)') 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(0x5ed8000)', 'HASH(0x1c5875c0)') 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(0x1c5875c0)') 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(0x5ed8498)', 'HASH(0x1c5875c0)') 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(0x1c5875c0)') 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(0x1c643820)', 'Try::Tiny::Catch=REF(0x13f0bc68)') 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(0x5503b50)', 'HASH(0x1c5875c0)') 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(0x1c5875c0)') 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(0x5503c40)', 'HASH(0x1c5875c0)') 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(0x1c5875c0)') 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="B6231548-7803-11F1-A76A-B9B625D43659" uri="" encoding="&#x2713;" method="post" key="login">
    <field attrs="" key="username" display="Username" value="" name="username" widget="text" id="uuid-B62348F6-7803-11F1-A76A-B9B625D43659"/>
    <field name="password" widget="password" id="uuid-B6239090-7803-11F1-A76A-B9B625D43659" key="password" display="Password" attrs=""/>
    <field display="Login" key="submit" attrs="" widget="submit" id="uuid-B623D910-7803-11F1-A76A-B9B625D43659" name="submit" value=""/>
  </form>
</response>