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;" key="login" method="post" uri="" uuid="1BB9AAF0-340E-11F1-83DE-3DFE2597109C">
    <field id="uuid-1BB9DF84-340E-11F1-83DE-3DFE2597109C" value="" attrs="" name="username" key="username" display="Username" widget="text"/>
    <field key="password" name="password" attrs="" widget="password" display="Password" id="uuid-1BBA237C-340E-11F1-83DE-3DFE2597109C"/>
    <field display="Login" widget="submit" attrs="" name="submit" key="submit" value="" id="uuid-1BBA6A44-340E-11F1-83DE-3DFE2597109C"/>
  </form>
</response>