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" encoding="&#x2713;" uuid="A19325A6-8469-11F1-A22F-ACD925D43659" key="login" uri="">
    <field id="uuid-A193602A-8469-11F1-A22F-ACD925D43659" widget="text" key="username" attrs="" name="username" display="Username" value=""/>
    <field display="Password" attrs="" name="password" id="uuid-A193A940-8469-11F1-A22F-ACD925D43659" key="password" widget="password"/>
    <field key="submit" widget="submit" id="uuid-A193F76A-8469-11F1-A22F-ACD925D43659" value="" attrs="" name="submit" display="Login"/>
  </form>
</response>