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;" method="post" uri="" uuid="8DEE0E1A-25CF-11F1-9E9C-EF03802D798A" key="login">
    <field display="Username" id="uuid-8DEE49F2-25CF-11F1-9E9C-EF03802D798A" key="username" value="" attrs="" name="username" widget="text"/>
    <field name="password" attrs="" widget="password" key="password" display="Password" id="uuid-8DEE9C72-25CF-11F1-9E9C-EF03802D798A"/>
    <field key="submit" display="Login" id="uuid-8DEEEC86-25CF-11F1-9E9C-EF03802D798A" widget="submit" value="" attrs="" name="submit"/>
  </form>
</response>