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 encoding="&#x2713;" uuid="21B229FE-2007-11EA-B786-4C37FC0ABCF6" method="post" uri="" key="login">
    <field attrs="" display="Username" widget="text" key="username" name="username" value="" id="uuid-21B253F2-2007-11EA-B786-4C37FC0ABCF6"/>
    <field name="password" key="password" id="uuid-21B283D6-2007-11EA-B786-4C37FC0ABCF6" attrs="" display="Password" widget="password"/>
    <field name="submit" key="submit" value="" id="uuid-21B2B8E2-2007-11EA-B786-4C37FC0ABCF6" attrs="" display="Login" widget="submit"/>
  </form>
</response>