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 uuid="275FF1AE-1997-11EA-8133-6E1A4A0E2E26" key="login" encoding="&#x2713;" method="post" uri="">
    <field name="username" widget="text" attrs="" display="Username" key="username" id="uuid-27601C92-1997-11EA-8133-6E1A4A0E2E26" value=""/>
    <field display="Password" id="uuid-27604C26-1997-11EA-8133-6E1A4A0E2E26" key="password" attrs="" widget="password" name="password"/>
    <field widget="submit" name="submit" attrs="" display="Login" value="" key="submit" id="uuid-27608358-1997-11EA-8133-6E1A4A0E2E26"/>
  </form>
</response>