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" uuid="0F9952D0-2005-11EA-A799-D6DEC2841434" key="login" uri="" encoding="&#x2713;">
    <field name="username" value="" widget="text" display="Username" id="uuid-0F998034-2005-11EA-A799-D6DEC2841434" attrs="" key="username"/>
    <field id="uuid-0F99ADAC-2005-11EA-A799-D6DEC2841434" key="password" attrs="" display="Password" widget="password" name="password"/>
    <field display="Login" key="submit" attrs="" id="uuid-0F99E36C-2005-11EA-A799-D6DEC2841434" name="submit" widget="submit" value=""/>
  </form>
</response>