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" uri="" uuid="19F9395E-C3B9-11EA-BD45-6B5A1D44A1C8" encoding="&#x2713;" key="login">
    <field widget="text" display="Username" key="username" name="username" id="uuid-19F96CBC-C3B9-11EA-BD45-6B5A1D44A1C8" value="" attrs=""/>
    <field key="password" name="password" id="uuid-19F99FE8-C3B9-11EA-BD45-6B5A1D44A1C8" widget="password" display="Password" attrs=""/>
    <field widget="submit" display="Login" name="submit" key="submit" id="uuid-19F9DC6A-C3B9-11EA-BD45-6B5A1D44A1C8" value="" attrs=""/>
  </form>
</response>