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 key="login" encoding="&#x2713;" method="post" uri="" uuid="6C79C5E4-7E44-11F1-B8C8-2CF98F49F76F">
    <field id="uuid-6C79F4A6-7E44-11F1-B8C8-2CF98F49F76F" attrs="" display="Username" name="username" key="username" widget="text" value=""/>
    <field display="Password" name="password" attrs="" widget="password" key="password" id="uuid-6C7A3C5E-7E44-11F1-B8C8-2CF98F49F76F"/>
    <field name="submit" attrs="" display="Login" value="" widget="submit" key="submit" id="uuid-6C7A85C4-7E44-11F1-B8C8-2CF98F49F76F"/>
  </form>
</response>