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" uuid="FA0FE7A4-3186-11F1-BC58-93D1A9425785" encoding="&#x2713;" method="post" uri="">
    <field attrs="" value="" id="uuid-FA1017E2-3186-11F1-BC58-93D1A9425785" display="Username" key="username" widget="text" name="username"/>
    <field display="Password" id="uuid-FA106094-3186-11F1-BC58-93D1A9425785" attrs="" key="password" widget="password" name="password"/>
    <field name="submit" widget="submit" key="submit" display="Login" id="uuid-FA10AA22-3186-11F1-BC58-93D1A9425785" value="" attrs=""/>
  </form>
</response>