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;" uuid="42448C1C-4872-11F1-955B-BD0C242F1D8B" uri="" method="post">
    <field widget="text" value="" attrs="" display="Username" key="username" name="username" id="uuid-4244BD0E-4872-11F1-955B-BD0C242F1D8B"/>
    <field id="uuid-4244FCEC-4872-11F1-955B-BD0C242F1D8B" key="password" name="password" attrs="" display="Password" widget="password"/>
    <field display="Login" attrs="" name="submit" key="submit" id="uuid-424541B6-4872-11F1-955B-BD0C242F1D8B" widget="submit" value=""/>
  </form>
</response>