XSLT Error

    Empty filename at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Template/XSLT.pm line 575.
    

Response XML

<?xml version="1.0"?>
<response>
  <form method="post" uuid="B5FA2000-2000-11EA-BCBE-0B37FC0ABCF6" encoding="&#x2713;" uri="" key="login">
    <field display="Username" widget="text" attrs="" value="" id="uuid-B5FA54A8-2000-11EA-BCBE-0B37FC0ABCF6" name="username" key="username"/>
    <field widget="password" display="Password" attrs="" name="password" key="password" id="uuid-B5FA8446-2000-11EA-BCBE-0B37FC0ABCF6"/>
    <field widget="submit" display="Login" attrs="" key="submit" name="submit" value="" id="uuid-B5FAB916-2000-11EA-BCBE-0B37FC0ABCF6"/>
  </form>
</response>