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 uri="" uuid="828D0396-7FB1-11F1-B488-A604F9248A5F" key="login" encoding="&#x2713;" method="post">
    <field key="username" attrs="" widget="text" value="" display="Username" name="username" id="uuid-828D3B04-7FB1-11F1-B488-A604F9248A5F"/>
    <field display="Password" name="password" id="uuid-828D86F4-7FB1-11F1-B488-A604F9248A5F" widget="password" attrs="" key="password"/>
    <field key="submit" name="submit" display="Login" id="uuid-828DD4BA-7FB1-11F1-B488-A604F9248A5F" widget="submit" attrs="" value=""/>
  </form>
</response>