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 uuid="24E634A8-8883-11F1-A2EE-0D7CFD48BEF4" encoding="&#x2713;" method="post" key="login" uri="">
    <field key="username" name="username" display="Username" id="uuid-24E66964-8883-11F1-A2EE-0D7CFD48BEF4" widget="text" attrs="" value=""/>
    <field attrs="" widget="password" display="Password" id="uuid-24E6B108-8883-11F1-A2EE-0D7CFD48BEF4" name="password" key="password"/>
    <field widget="submit" attrs="" value="" key="submit" name="submit" display="Login" id="uuid-24E6FBF4-8883-11F1-A2EE-0D7CFD48BEF4"/>
  </form>
</response>