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 method="post" key="login" uuid="EF18CDE8-499B-11F1-B186-D2B5F8248A5F" encoding="&#x2713;" uri="">
    <field widget="text" name="username" display="Username" key="username" value="" id="uuid-EF190D8A-499B-11F1-B186-D2B5F8248A5F" attrs=""/>
    <field name="password" display="Password" key="password" widget="password" attrs="" id="uuid-EF195984-499B-11F1-B186-D2B5F8248A5F"/>
    <field value="" id="uuid-EF19A510-499B-11F1-B186-D2B5F8248A5F" attrs="" widget="submit" name="submit" display="Login" key="submit"/>
  </form>
</response>