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 encoding="&#x2713;" key="login" method="post" uri="" uuid="DD2117C0-77EB-11F1-8E8E-93C82C3515A0">
    <field id="uuid-DD21641E-77EB-11F1-88CA-93C82C3515A0" widget="text" attrs="" display="Username" name="username" key="username" value=""/>
    <field name="password" display="Password" key="password" id="uuid-DD21942A-77EB-11F1-97AC-93C82C3515A0" widget="password" attrs=""/>
    <field id="uuid-DD21DD40-77EB-11F1-97AC-93C82C3515A0" attrs="" widget="submit" name="submit" display="Login" key="submit" value=""/>
  </form>
</response>