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;" uri="" method="post" uuid="FA230B3A-2004-11EA-9E6B-D6DEC2841434" key="login">
    <field display="Username" id="uuid-FA234370-2004-11EA-9E6B-D6DEC2841434" key="username" attrs="" name="username" value="" widget="text"/>
    <field name="password" widget="password" display="Password" id="uuid-FA23842A-2004-11EA-9E6B-D6DEC2841434" key="password" attrs=""/>
    <field display="Login" id="uuid-FA23BBCA-2004-11EA-9E6B-D6DEC2841434" key="submit" attrs="" name="submit" value="" widget="submit"/>
  </form>
</response>