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="1566995C-1998-11EA-A8F7-37E2C2841434" encoding="&#x2713;" key="login" uri="">
    <field key="username" name="username" value="" display="Username" id="uuid-156850C6-1998-11EA-A8F7-37E2C2841434" attrs="" widget="text"/>
    <field display="Password" key="password" name="password" widget="password" attrs="" id="uuid-1568830C-1998-11EA-A8F7-37E2C2841434"/>
    <field name="submit" key="submit" value="" display="Login" id="uuid-1568B692-1998-11EA-A8F7-37E2C2841434" attrs="" widget="submit"/>
  </form>
</response>